./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.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_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1 --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 23d46efee111c0a45a3867407d9a89b7bd0cff6d84b63cde907bbbf6a6e45644 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:10:53,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:10:53,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-01 23:10:53,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:10:53,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:10:53,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:10:53,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:10:53,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:10:53,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:10:53,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:10:53,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:10:53,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:10:53,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:10:53,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:10:53,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:10:53,695 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:10:53,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:10:53,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:10:53,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:10:53,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:10:53,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:10:53,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:10:53,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:10:53,697 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_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1 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 -> 23d46efee111c0a45a3867407d9a89b7bd0cff6d84b63cde907bbbf6a6e45644 [2024-12-01 23:10:53,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:10:53,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:10:53,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:10:53,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:10:53,909 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:10:53,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2024-12-01 23:10:56,536 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/data/1b549463d/1dca66adcd294377a1e6d0a852ee9737/FLAG52cd83430 [2024-12-01 23:10:57,049 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:10:57,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2024-12-01 23:10:57,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/data/1b549463d/1dca66adcd294377a1e6d0a852ee9737/FLAG52cd83430 [2024-12-01 23:10:57,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/data/1b549463d/1dca66adcd294377a1e6d0a852ee9737 [2024-12-01 23:10:57,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:10:57,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:10:57,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:10:57,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:10:57,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:10:57,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:57" (1/1) ... [2024-12-01 23:10:57,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d67c905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:57, skipping insertion in model container [2024-12-01 23:10:57,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:57" (1/1) ... [2024-12-01 23:10:57,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:10:58,996 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_bfe65fc0-7b97-4545-924c-851385294682/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2024-12-01 23:10:59,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:10:59,270 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:10:59,374 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)); [4662-4663] [2024-12-01 23:10:59,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4672] [2024-12-01 23:10:59,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4679] [2024-12-01 23:10:59,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4712] [2024-12-01 23:10:59,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4715] [2024-12-01 23:10:59,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4718] [2024-12-01 23:10:59,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4721] [2024-12-01 23:10:59,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [5106-5107] [2024-12-01 23:10:59,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [5114-5115] [2024-12-01 23:10:59,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [5122-5123] [2024-12-01 23:10:59,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [5149-5150] [2024-12-01 23:10:59,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [5157-5158] [2024-12-01 23:10:59,727 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_bfe65fc0-7b97-4545-924c-851385294682/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2024-12-01 23:10:59,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:10:59,865 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:10:59,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59 WrapperNode [2024-12-01 23:10:59,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:10:59,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:10:59,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:10:59,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:10:59,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:10:59,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:00,158 INFO L138 Inliner]: procedures = 318, calls = 4329, calls flagged for inlining = 124, calls inlined = 116, statements flattened = 10558 [2024-12-01 23:11:00,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:11:00,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:11:00,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:11:00,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:11:00,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:00,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:00,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,508 INFO L175 MemorySlicer]: Split 2903 memory accesses to 35 slices as follows [1, 1, 8, 31, 7, 5, 2, 2, 1, 10, 6, 2, 3, 2543, 9, 2, 10, 4, 1, 4, 7, 5, 8, 2, 8, 2, 4, 13, 5, 29, 16, 1, 5, 96, 50]. 88 percent of accesses are in the largest equivalence class. The 209 initializations are split as follows [0, 1, 8, 0, 7, 5, 2, 2, 1, 0, 6, 2, 3, 46, 9, 2, 10, 4, 1, 4, 7, 5, 8, 2, 8, 2, 4, 0, 5, 0, 0, 0, 5, 0, 50]. The 1102 writes are split as follows [0, 0, 0, 24, 0, 0, 0, 0, 0, 1, 0, 0, 0, 923, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 29, 16, 0, 0, 96, 0]. [2024-12-01 23:11:01,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:11:01,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:11:01,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:11:01,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:11:01,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (1/1) ... [2024-12-01 23:11:01,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:11:01,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:01,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:11:01,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-01 23:11:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2024-12-01 23:11:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-01 23:11:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-01 23:11:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#30 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#31 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#32 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#33 [2024-12-01 23:11:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#34 [2024-12-01 23:11:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-01 23:11:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#30 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#31 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#32 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#33 [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#34 [2024-12-01 23:11:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-01 23:11:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-01 23:11:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-01 23:11:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-01 23:11:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-01 23:11:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-01 23:11:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2024-12-01 23:11:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2024-12-01 23:11:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-01 23:11:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2024-12-01 23:11:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-01 23:11:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-01 23:11:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-12-01 23:11:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2024-12-01 23:11:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2024-12-01 23:11:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2024-12-01 23:11:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-01 23:11:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2024-12-01 23:11:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2024-12-01 23:11:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-01 23:11:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2024-12-01 23:11:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:11:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2024-12-01 23:11:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2024-12-01 23:11:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-12-01 23:11:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2024-12-01 23:11:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-01 23:11:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-12-01 23:11:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2024-12-01 23:11:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-12-01 23:11:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-01 23:11:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-01 23:11:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2024-12-01 23:11:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-01 23:11:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2024-12-01 23:11:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2024-12-01 23:11:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-01 23:11:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2024-12-01 23:11:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2024-12-01 23:11:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-01 23:11:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-12-01 23:11:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-01 23:11:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 23:11:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-01 23:11:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2024-12-01 23:11:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2024-12-01 23:11:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-01 23:11:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2024-12-01 23:11:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-01 23:11:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-01 23:11:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-12-01 23:11:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 23:11:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-01 23:11:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2024-12-01 23:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2024-12-01 23:11:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-12-01 23:11:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-01 23:11:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-12-01 23:11:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2024-12-01 23:11:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2024-12-01 23:11:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-12-01 23:11:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-12-01 23:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-01 23:11:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2024-12-01 23:11:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2024-12-01 23:11:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:11:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:11:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-01 23:11:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-01 23:11:03,195 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:11:03,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:11:27,418 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-01 23:11:42,840 INFO L? ?]: Removed 4802 outVars from TransFormulas that were not future-live. [2024-12-01 23:11:42,840 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:11:42,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:11:42,895 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-01 23:11:42,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:42 BoogieIcfgContainer [2024-12-01 23:11:42,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:11:42,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:11:42,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:11:42,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:11:42,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:57" (1/3) ... [2024-12-01 23:11:42,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df7f72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:42, skipping insertion in model container [2024-12-01 23:11:42,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:59" (2/3) ... [2024-12-01 23:11:42,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df7f72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:42, skipping insertion in model container [2024-12-01 23:11:42,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:42" (3/3) ... [2024-12-01 23:11:42,905 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2024-12-01 23:11:42,919 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:11:42,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i that has 202 procedures, 4176 locations, 1 initial locations, 149 loop locations, and 1 error locations. [2024-12-01 23:11:43,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:11:43,035 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;@8e3a797, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:11:43,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:11:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 3703 states, 2830 states have (on average 1.4427561837455831) internal successors, (4083), 2870 states have internal predecessors, (4083), 772 states have call successors, (772), 100 states have call predecessors, (772), 99 states have return successors, (761), 756 states have call predecessors, (761), 761 states have call successors, (761) [2024-12-01 23:11:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-12-01 23:11:43,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:43,067 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:43,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:43,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:43,072 INFO L85 PathProgramCache]: Analyzing trace with hash 427043112, now seen corresponding path program 1 times [2024-12-01 23:11:43,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:43,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567982054] [2024-12-01 23:11:43,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:43,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 4332 trivial. 0 not checked. [2024-12-01 23:11:46,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:46,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567982054] [2024-12-01 23:11:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567982054] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:11:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386633417] [2024-12-01 23:11:46,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:46,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:11:46,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:11:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:50,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 5470 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:11:50,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 4236 trivial. 0 not checked. [2024-12-01 23:11:50,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:11:50,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386633417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:50,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:11:50,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 23:11:50,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150914923] [2024-12-01 23:11:50,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:50,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:11:50,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:50,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:11:50,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:11:50,719 INFO L87 Difference]: Start difference. First operand has 3703 states, 2830 states have (on average 1.4427561837455831) internal successors, (4083), 2870 states have internal predecessors, (4083), 772 states have call successors, (772), 100 states have call predecessors, (772), 99 states have return successors, (761), 756 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-01 23:11:51,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:51,032 INFO L93 Difference]: Finished difference Result 7401 states and 11486 transitions. [2024-12-01 23:11:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:11:51,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 510 [2024-12-01 23:11:51,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:51,082 INFO L225 Difference]: With dead ends: 7401 [2024-12-01 23:11:51,082 INFO L226 Difference]: Without dead ends: 3680 [2024-12-01 23:11:51,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:11:51,126 INFO L435 NwaCegarLoop]: 5584 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:51,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5584 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:11:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2024-12-01 23:11:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3680. [2024-12-01 23:11:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3680 states, 2820 states have (on average 1.4304964539007092) internal successors, (4034), 2847 states have internal predecessors, (4034), 761 states have call successors, (761), 99 states have call predecessors, (761), 98 states have return successors, (752), 747 states have call predecessors, (752), 752 states have call successors, (752) [2024-12-01 23:11:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 5547 transitions. [2024-12-01 23:11:51,381 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 5547 transitions. Word has length 510 [2024-12-01 23:11:51,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:51,382 INFO L471 AbstractCegarLoop]: Abstraction has 3680 states and 5547 transitions. [2024-12-01 23:11:51,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-01 23:11:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5547 transitions. [2024-12-01 23:11:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-12-01 23:11:51,394 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:51,395 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:51,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:11:51,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:51,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:51,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1802127142, now seen corresponding path program 1 times [2024-12-01 23:11:51,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:51,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637076174] [2024-12-01 23:11:51,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:51,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-12-01 23:11:54,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:54,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637076174] [2024-12-01 23:11:54,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637076174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:54,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:11:54,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:11:54,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20411843] [2024-12-01 23:11:54,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:54,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:11:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:54,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:11:54,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:11:54,432 INFO L87 Difference]: Start difference. First operand 3680 states and 5547 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-12-01 23:11:54,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:54,924 INFO L93 Difference]: Finished difference Result 7729 states and 11608 transitions. [2024-12-01 23:11:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:11:54,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 510 [2024-12-01 23:11:54,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:54,956 INFO L225 Difference]: With dead ends: 7729 [2024-12-01 23:11:54,956 INFO L226 Difference]: Without dead ends: 4127 [2024-12-01 23:11:54,970 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 [2024-12-01 23:11:54,971 INFO L435 NwaCegarLoop]: 5549 mSDtfsCounter, 760 mSDsluCounter, 5366 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 10915 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:54,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 10915 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:11:54,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4127 states. [2024-12-01 23:11:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4127 to 4108. [2024-12-01 23:11:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4108 states, 3152 states have (on average 1.4254441624365481) internal successors, (4493), 3182 states have internal predecessors, (4493), 832 states have call successors, (832), 124 states have call predecessors, (832), 123 states have return successors, (823), 816 states have call predecessors, (823), 823 states have call successors, (823) [2024-12-01 23:11:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4108 states to 4108 states and 6148 transitions. [2024-12-01 23:11:55,146 INFO L78 Accepts]: Start accepts. Automaton has 4108 states and 6148 transitions. Word has length 510 [2024-12-01 23:11:55,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:55,148 INFO L471 AbstractCegarLoop]: Abstraction has 4108 states and 6148 transitions. [2024-12-01 23:11:55,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-12-01 23:11:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4108 states and 6148 transitions. [2024-12-01 23:11:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2024-12-01 23:11:55,155 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:55,155 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:55,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:11:55,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:55,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1402813554, now seen corresponding path program 1 times [2024-12-01 23:11:55,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:55,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904310175] [2024-12-01 23:11:55,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:55,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-12-01 23:11:58,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:58,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904310175] [2024-12-01 23:11:58,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904310175] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:58,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:11:58,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:11:58,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031694760] [2024-12-01 23:11:58,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:58,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:11:58,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:58,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:11:58,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:11:58,144 INFO L87 Difference]: Start difference. First operand 4108 states and 6148 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-01 23:12:02,210 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 [] [2024-12-01 23:12:03,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:03,097 INFO L93 Difference]: Finished difference Result 12040 states and 18039 transitions. [2024-12-01 23:12:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:03,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 532 [2024-12-01 23:12:03,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:03,157 INFO L225 Difference]: With dead ends: 12040 [2024-12-01 23:12:03,157 INFO L226 Difference]: Without dead ends: 8010 [2024-12-01 23:12:03,178 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 [2024-12-01 23:12:03,179 INFO L435 NwaCegarLoop]: 5567 mSDtfsCounter, 5361 mSDsluCounter, 5474 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 11041 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:03,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 11041 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-01 23:12:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8010 states. [2024-12-01 23:12:03,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8010 to 7998. [2024-12-01 23:12:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4291734197730956) internal successors, (8818), 6217 states have internal predecessors, (8818), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11985 transitions. [2024-12-01 23:12:03,553 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11985 transitions. Word has length 532 [2024-12-01 23:12:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:03,554 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11985 transitions. [2024-12-01 23:12:03,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-01 23:12:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11985 transitions. [2024-12-01 23:12:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-12-01 23:12:03,559 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:03,559 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:03,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:12:03,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:03,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash 386413039, now seen corresponding path program 1 times [2024-12-01 23:12:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:03,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971987309] [2024-12-01 23:12:03,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-12-01 23:12:06,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:06,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971987309] [2024-12-01 23:12:06,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971987309] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:06,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:06,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:06,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647530735] [2024-12-01 23:12:06,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:06,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:06,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:06,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:06,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:06,210 INFO L87 Difference]: Start difference. First operand 7998 states and 11985 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-01 23:12:06,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:06,397 INFO L93 Difference]: Finished difference Result 15918 states and 23859 transitions. [2024-12-01 23:12:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:06,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 541 [2024-12-01 23:12:06,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:06,442 INFO L225 Difference]: With dead ends: 15918 [2024-12-01 23:12:06,442 INFO L226 Difference]: Without dead ends: 7998 [2024-12-01 23:12:06,465 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 [2024-12-01 23:12:06,465 INFO L435 NwaCegarLoop]: 5545 mSDtfsCounter, 5461 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5461 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:06,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5461 Valid, 5545 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:12:06,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-12-01 23:12:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-12-01 23:12:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4288492706645057) internal successors, (8816), 6217 states have internal predecessors, (8816), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11983 transitions. [2024-12-01 23:12:06,715 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11983 transitions. Word has length 541 [2024-12-01 23:12:06,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:06,715 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11983 transitions. [2024-12-01 23:12:06,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-01 23:12:06,716 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11983 transitions. [2024-12-01 23:12:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-12-01 23:12:06,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:06,719 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:06,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 23:12:06,720 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:06,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1088012913, now seen corresponding path program 1 times [2024-12-01 23:12:06,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:06,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107901691] [2024-12-01 23:12:06,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:06,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-12-01 23:12:09,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107901691] [2024-12-01 23:12:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107901691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:09,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:09,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:09,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942303381] [2024-12-01 23:12:09,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:09,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:09,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:09,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:09,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:09,851 INFO L87 Difference]: Start difference. First operand 7998 states and 11983 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-01 23:12:10,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:10,172 INFO L93 Difference]: Finished difference Result 15918 states and 23855 transitions. [2024-12-01 23:12:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:10,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 541 [2024-12-01 23:12:10,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:10,230 INFO L225 Difference]: With dead ends: 15918 [2024-12-01 23:12:10,230 INFO L226 Difference]: Without dead ends: 7998 [2024-12-01 23:12:10,260 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 [2024-12-01 23:12:10,260 INFO L435 NwaCegarLoop]: 5544 mSDtfsCounter, 5459 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5459 SdHoareTripleChecker+Valid, 5544 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:10,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5459 Valid, 5544 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:12:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-12-01 23:12:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-12-01 23:12:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4285251215559158) internal successors, (8814), 6217 states have internal predecessors, (8814), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11981 transitions. [2024-12-01 23:12:10,652 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11981 transitions. Word has length 541 [2024-12-01 23:12:10,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:10,653 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11981 transitions. [2024-12-01 23:12:10,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-01 23:12:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11981 transitions. [2024-12-01 23:12:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-12-01 23:12:10,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:10,658 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:10,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:12:10,659 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:10,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:10,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1110645167, now seen corresponding path program 1 times [2024-12-01 23:12:10,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:10,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040310806] [2024-12-01 23:12:10,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:10,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-12-01 23:12:13,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:13,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040310806] [2024-12-01 23:12:13,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040310806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:13,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:13,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:13,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739807546] [2024-12-01 23:12:13,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:13,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:13,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:13,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:13,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:13,167 INFO L87 Difference]: Start difference. First operand 7998 states and 11981 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-01 23:12:17,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:12:17,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:17,407 INFO L93 Difference]: Finished difference Result 15918 states and 23851 transitions. [2024-12-01 23:12:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:17,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 541 [2024-12-01 23:12:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:17,443 INFO L225 Difference]: With dead ends: 15918 [2024-12-01 23:12:17,443 INFO L226 Difference]: Without dead ends: 7998 [2024-12-01 23:12:17,465 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 [2024-12-01 23:12:17,465 INFO L435 NwaCegarLoop]: 5540 mSDtfsCounter, 5457 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5457 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:17,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5457 Valid, 5540 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-01 23:12:17,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-12-01 23:12:17,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-12-01 23:12:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6170 states have (on average 1.4282009724473257) internal successors, (8812), 6217 states have internal predecessors, (8812), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11979 transitions. [2024-12-01 23:12:17,707 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11979 transitions. Word has length 541 [2024-12-01 23:12:17,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:17,707 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11979 transitions. [2024-12-01 23:12:17,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-01 23:12:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11979 transitions. [2024-12-01 23:12:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-12-01 23:12:17,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:17,710 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:17,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-01 23:12:17,711 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:17,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1798118735, now seen corresponding path program 1 times [2024-12-01 23:12:17,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:17,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921289143] [2024-12-01 23:12:17,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2024-12-01 23:12:20,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:20,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921289143] [2024-12-01 23:12:20,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921289143] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:20,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:20,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:12:20,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499704485] [2024-12-01 23:12:20,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:20,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:12:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:20,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:12:20,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:12:20,232 INFO L87 Difference]: Start difference. First operand 7998 states and 11979 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-01 23:12:20,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:20,627 INFO L93 Difference]: Finished difference Result 15922 states and 23853 transitions. [2024-12-01 23:12:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:12:20,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 541 [2024-12-01 23:12:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:20,662 INFO L225 Difference]: With dead ends: 15922 [2024-12-01 23:12:20,663 INFO L226 Difference]: Without dead ends: 8002 [2024-12-01 23:12:20,684 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 [2024-12-01 23:12:20,685 INFO L435 NwaCegarLoop]: 5542 mSDtfsCounter, 0 mSDsluCounter, 11068 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16610 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 [2024-12-01 23:12:20,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16610 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:12:20,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2024-12-01 23:12:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 8000. [2024-12-01 23:12:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8000 states, 6172 states have (on average 1.4280622164614387) internal successors, (8814), 6219 states have internal predecessors, (8814), 1588 states have call successors, (1588), 240 states have call predecessors, (1588), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8000 states to 8000 states and 11981 transitions. [2024-12-01 23:12:20,912 INFO L78 Accepts]: Start accepts. Automaton has 8000 states and 11981 transitions. Word has length 541 [2024-12-01 23:12:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:20,912 INFO L471 AbstractCegarLoop]: Abstraction has 8000 states and 11981 transitions. [2024-12-01 23:12:20,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-12-01 23:12:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 8000 states and 11981 transitions. [2024-12-01 23:12:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2024-12-01 23:12:20,915 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:20,915 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-01 23:12:20,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 23:12:20,915 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:20,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:20,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1876111876, now seen corresponding path program 1 times [2024-12-01 23:12:20,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:20,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126840438] [2024-12-01 23:12:20,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:20,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-12-01 23:12:23,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:23,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126840438] [2024-12-01 23:12:23,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126840438] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:23,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:23,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:23,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213500798] [2024-12-01 23:12:23,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:23,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:23,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:23,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:23,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:23,799 INFO L87 Difference]: Start difference. First operand 8000 states and 11981 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:24,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:24,038 INFO L93 Difference]: Finished difference Result 8002 states and 11982 transitions. [2024-12-01 23:12:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:24,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 552 [2024-12-01 23:12:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:24,071 INFO L225 Difference]: With dead ends: 8002 [2024-12-01 23:12:24,071 INFO L226 Difference]: Without dead ends: 7999 [2024-12-01 23:12:24,075 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 [2024-12-01 23:12:24,076 INFO L435 NwaCegarLoop]: 5541 mSDtfsCounter, 5437 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5437 SdHoareTripleChecker+Valid, 5541 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:24,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5437 Valid, 5541 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:12:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2024-12-01 23:12:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7999. [2024-12-01 23:12:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7999 states, 6172 states have (on average 1.427900194426442) internal successors, (8813), 6218 states have internal predecessors, (8813), 1587 states have call successors, (1587), 240 states have call predecessors, (1587), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7999 states to 7999 states and 11979 transitions. [2024-12-01 23:12:24,324 INFO L78 Accepts]: Start accepts. Automaton has 7999 states and 11979 transitions. Word has length 552 [2024-12-01 23:12:24,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:24,325 INFO L471 AbstractCegarLoop]: Abstraction has 7999 states and 11979 transitions. [2024-12-01 23:12:24,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7999 states and 11979 transitions. [2024-12-01 23:12:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2024-12-01 23:12:24,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:24,329 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-01 23:12:24,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-01 23:12:24,329 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:24,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:24,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1974534976, now seen corresponding path program 1 times [2024-12-01 23:12:24,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:24,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470790885] [2024-12-01 23:12:24,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:24,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-12-01 23:12:26,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:26,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470790885] [2024-12-01 23:12:26,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470790885] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:26,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:26,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:26,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900001325] [2024-12-01 23:12:26,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:26,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:26,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:26,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:26,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:26,643 INFO L87 Difference]: Start difference. First operand 7999 states and 11979 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:26,800 INFO L93 Difference]: Finished difference Result 8001 states and 11980 transitions. [2024-12-01 23:12:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:26,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 553 [2024-12-01 23:12:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:26,832 INFO L225 Difference]: With dead ends: 8001 [2024-12-01 23:12:26,832 INFO L226 Difference]: Without dead ends: 7998 [2024-12-01 23:12:26,836 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 [2024-12-01 23:12:26,837 INFO L435 NwaCegarLoop]: 5539 mSDtfsCounter, 5434 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5434 SdHoareTripleChecker+Valid, 5539 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:26,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5434 Valid, 5539 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:12:26,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2024-12-01 23:12:27,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 7998. [2024-12-01 23:12:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 6172 states have (on average 1.4277381723914453) internal successors, (8812), 6217 states have internal predecessors, (8812), 1586 states have call successors, (1586), 240 states have call predecessors, (1586), 239 states have return successors, (1579), 1567 states have call predecessors, (1579), 1579 states have call successors, (1579) [2024-12-01 23:12:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 11977 transitions. [2024-12-01 23:12:27,157 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 11977 transitions. Word has length 553 [2024-12-01 23:12:27,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:27,158 INFO L471 AbstractCegarLoop]: Abstraction has 7998 states and 11977 transitions. [2024-12-01 23:12:27,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 11977 transitions. [2024-12-01 23:12:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2024-12-01 23:12:27,162 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:27,162 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-01 23:12:27,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 23:12:27,163 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:27,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:27,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1085498233, now seen corresponding path program 1 times [2024-12-01 23:12:27,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:27,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378191858] [2024-12-01 23:12:27,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-12-01 23:12:29,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:29,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378191858] [2024-12-01 23:12:29,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378191858] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:29,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:29,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:29,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441327056] [2024-12-01 23:12:29,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:29,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:29,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:29,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:29,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:29,702 INFO L87 Difference]: Start difference. First operand 7998 states and 11977 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:30,170 INFO L93 Difference]: Finished difference Result 23784 states and 35666 transitions. [2024-12-01 23:12:30,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:30,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 554 [2024-12-01 23:12:30,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:30,235 INFO L225 Difference]: With dead ends: 23784 [2024-12-01 23:12:30,235 INFO L226 Difference]: Without dead ends: 15864 [2024-12-01 23:12:30,262 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 [2024-12-01 23:12:30,262 INFO L435 NwaCegarLoop]: 7779 mSDtfsCounter, 5430 mSDsluCounter, 5383 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5430 SdHoareTripleChecker+Valid, 13162 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:30,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5430 Valid, 13162 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:12:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15864 states. [2024-12-01 23:12:30,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15864 to 15845. [2024-12-01 23:12:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15845 states, 12263 states have (on average 1.4298295686210551) internal successors, (17534), 12354 states have internal predecessors, (17534), 3109 states have call successors, (3109), 474 states have call predecessors, (3109), 472 states have return successors, (3118), 3070 states have call predecessors, (3118), 3098 states have call successors, (3118) [2024-12-01 23:12:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15845 states to 15845 states and 23761 transitions. [2024-12-01 23:12:31,037 INFO L78 Accepts]: Start accepts. Automaton has 15845 states and 23761 transitions. Word has length 554 [2024-12-01 23:12:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:31,038 INFO L471 AbstractCegarLoop]: Abstraction has 15845 states and 23761 transitions. [2024-12-01 23:12:31,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 15845 states and 23761 transitions. [2024-12-01 23:12:31,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-12-01 23:12:31,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:31,041 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-01 23:12:31,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 23:12:31,041 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:31,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:31,042 INFO L85 PathProgramCache]: Analyzing trace with hash 704841891, now seen corresponding path program 1 times [2024-12-01 23:12:31,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:31,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540237302] [2024-12-01 23:12:31,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:31,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-12-01 23:12:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:33,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540237302] [2024-12-01 23:12:33,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540237302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:33,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:33,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:33,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547204257] [2024-12-01 23:12:33,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:33,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:33,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:33,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:33,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:33,335 INFO L87 Difference]: Start difference. First operand 15845 states and 23761 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:33,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:33,660 INFO L93 Difference]: Finished difference Result 15847 states and 23762 transitions. [2024-12-01 23:12:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:33,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 555 [2024-12-01 23:12:33,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:33,729 INFO L225 Difference]: With dead ends: 15847 [2024-12-01 23:12:33,729 INFO L226 Difference]: Without dead ends: 15844 [2024-12-01 23:12:33,739 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 [2024-12-01 23:12:33,739 INFO L435 NwaCegarLoop]: 5537 mSDtfsCounter, 5430 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5430 SdHoareTripleChecker+Valid, 5537 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:33,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5430 Valid, 5537 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:12:33,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15844 states. [2024-12-01 23:12:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15844 to 15844. [2024-12-01 23:12:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15844 states, 12263 states have (on average 1.4297480225067276) internal successors, (17533), 12353 states have internal predecessors, (17533), 3108 states have call successors, (3108), 474 states have call predecessors, (3108), 472 states have return successors, (3118), 3070 states have call predecessors, (3118), 3098 states have call successors, (3118) [2024-12-01 23:12:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15844 states to 15844 states and 23759 transitions. [2024-12-01 23:12:34,421 INFO L78 Accepts]: Start accepts. Automaton has 15844 states and 23759 transitions. Word has length 555 [2024-12-01 23:12:34,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:34,422 INFO L471 AbstractCegarLoop]: Abstraction has 15844 states and 23759 transitions. [2024-12-01 23:12:34,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:34,422 INFO L276 IsEmpty]: Start isEmpty. Operand 15844 states and 23759 transitions. [2024-12-01 23:12:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-12-01 23:12:34,427 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:34,427 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-01 23:12:34,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-01 23:12:34,427 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:34,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 370815754, now seen corresponding path program 1 times [2024-12-01 23:12:34,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:34,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616579744] [2024-12-01 23:12:34,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2024-12-01 23:12:36,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:36,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616579744] [2024-12-01 23:12:36,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616579744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:36,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:36,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:36,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338371480] [2024-12-01 23:12:36,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:36,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:36,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:36,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:36,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:36,871 INFO L87 Difference]: Start difference. First operand 15844 states and 23759 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:37,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:37,384 INFO L93 Difference]: Finished difference Result 21244 states and 31463 transitions. [2024-12-01 23:12:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:37,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 556 [2024-12-01 23:12:37,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:37,489 INFO L225 Difference]: With dead ends: 21244 [2024-12-01 23:12:37,489 INFO L226 Difference]: Without dead ends: 21197 [2024-12-01 23:12:37,511 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 [2024-12-01 23:12:37,512 INFO L435 NwaCegarLoop]: 5571 mSDtfsCounter, 3303 mSDsluCounter, 4053 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 9624 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:37,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3303 Valid, 9624 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:12:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21197 states. [2024-12-01 23:12:38,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21197 to 21191. [2024-12-01 23:12:38,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21191 states, 16173 states have (on average 1.4122302603103938) internal successors, (22840), 16295 states have internal predecessors, (22840), 4270 states have call successors, (4270), 749 states have call predecessors, (4270), 747 states have return successors, (4282), 4222 states have call predecessors, (4282), 4262 states have call successors, (4282) [2024-12-01 23:12:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21191 states to 21191 states and 31392 transitions. [2024-12-01 23:12:38,504 INFO L78 Accepts]: Start accepts. Automaton has 21191 states and 31392 transitions. Word has length 556 [2024-12-01 23:12:38,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:38,505 INFO L471 AbstractCegarLoop]: Abstraction has 21191 states and 31392 transitions. [2024-12-01 23:12:38,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-01 23:12:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 21191 states and 31392 transitions. [2024-12-01 23:12:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2024-12-01 23:12:38,514 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:38,514 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:38,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-01 23:12:38,514 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:38,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:38,515 INFO L85 PathProgramCache]: Analyzing trace with hash -756313167, now seen corresponding path program 1 times [2024-12-01 23:12:38,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:38,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836519317] [2024-12-01 23:12:38,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:38,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5173 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5166 trivial. 0 not checked. [2024-12-01 23:12:41,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:41,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836519317] [2024-12-01 23:12:41,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836519317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:41,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:41,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:12:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401756920] [2024-12-01 23:12:41,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:41,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:12:41,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:41,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:12:41,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:12:41,123 INFO L87 Difference]: Start difference. First operand 21191 states and 31392 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-01 23:12:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:41,725 INFO L93 Difference]: Finished difference Result 32371 states and 47846 transitions. [2024-12-01 23:12:41,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:12:41,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 631 [2024-12-01 23:12:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:41,778 INFO L225 Difference]: With dead ends: 32371 [2024-12-01 23:12:41,778 INFO L226 Difference]: Without dead ends: 11258 [2024-12-01 23:12:41,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:12:41,842 INFO L435 NwaCegarLoop]: 5530 mSDtfsCounter, 5527 mSDsluCounter, 5531 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5527 SdHoareTripleChecker+Valid, 11061 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:41,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5527 Valid, 11061 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:12:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11258 states. [2024-12-01 23:12:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11258 to 11249. [2024-12-01 23:12:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11249 states, 8564 states have (on average 1.404950957496497) internal successors, (12032), 8631 states have internal predecessors, (12032), 2259 states have call successors, (2259), 427 states have call predecessors, (2259), 425 states have return successors, (2261), 2232 states have call predecessors, (2261), 2251 states have call successors, (2261) [2024-12-01 23:12:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11249 states to 11249 states and 16552 transitions. [2024-12-01 23:12:42,235 INFO L78 Accepts]: Start accepts. Automaton has 11249 states and 16552 transitions. Word has length 631 [2024-12-01 23:12:42,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:42,235 INFO L471 AbstractCegarLoop]: Abstraction has 11249 states and 16552 transitions. [2024-12-01 23:12:42,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-01 23:12:42,236 INFO L276 IsEmpty]: Start isEmpty. Operand 11249 states and 16552 transitions. [2024-12-01 23:12:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2024-12-01 23:12:42,241 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:42,241 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:42,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-01 23:12:42,241 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:42,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:42,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2050424578, now seen corresponding path program 1 times [2024-12-01 23:12:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602554961] [2024-12-01 23:12:42,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5544 trivial. 0 not checked. [2024-12-01 23:12:44,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:44,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602554961] [2024-12-01 23:12:44,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602554961] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:44,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:44,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:44,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553174817] [2024-12-01 23:12:44,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:44,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:44,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:44,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:44,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:44,584 INFO L87 Difference]: Start difference. First operand 11249 states and 16552 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-01 23:12:48,633 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 [] [2024-12-01 23:12:49,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:49,834 INFO L93 Difference]: Finished difference Result 27935 states and 40973 transitions. [2024-12-01 23:12:49,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:49,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 648 [2024-12-01 23:12:49,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:49,920 INFO L225 Difference]: With dead ends: 27935 [2024-12-01 23:12:49,920 INFO L226 Difference]: Without dead ends: 17118 [2024-12-01 23:12:49,964 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 [2024-12-01 23:12:49,964 INFO L435 NwaCegarLoop]: 6331 mSDtfsCounter, 3803 mSDsluCounter, 4647 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 10978 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:49,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3803 Valid, 10978 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-01 23:12:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17118 states. [2024-12-01 23:12:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17118 to 17085. [2024-12-01 23:12:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17085 states, 12931 states have (on average 1.396643724383265) internal successors, (18060), 13041 states have internal predecessors, (18060), 3462 states have call successors, (3462), 693 states have call predecessors, (3462), 691 states have return successors, (3466), 3420 states have call predecessors, (3466), 3454 states have call successors, (3466) [2024-12-01 23:12:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17085 states to 17085 states and 24988 transitions. [2024-12-01 23:12:50,571 INFO L78 Accepts]: Start accepts. Automaton has 17085 states and 24988 transitions. Word has length 648 [2024-12-01 23:12:50,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:50,572 INFO L471 AbstractCegarLoop]: Abstraction has 17085 states and 24988 transitions. [2024-12-01 23:12:50,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-01 23:12:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 17085 states and 24988 transitions. [2024-12-01 23:12:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2024-12-01 23:12:50,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:50,576 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:50,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-01 23:12:50,577 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:50,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 144671845, now seen corresponding path program 1 times [2024-12-01 23:12:50,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:50,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302221099] [2024-12-01 23:12:50,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:50,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5551 trivial. 0 not checked. [2024-12-01 23:12:53,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302221099] [2024-12-01 23:12:53,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302221099] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:53,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:53,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:12:53,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987851029] [2024-12-01 23:12:53,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:53,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:53,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:53,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:53,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:12:53,143 INFO L87 Difference]: Start difference. First operand 17085 states and 24988 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-01 23:12:57,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:12:58,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:58,266 INFO L93 Difference]: Finished difference Result 33741 states and 49356 transitions. [2024-12-01 23:12:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:58,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 647 [2024-12-01 23:12:58,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:58,337 INFO L225 Difference]: With dead ends: 33741 [2024-12-01 23:12:58,337 INFO L226 Difference]: Without dead ends: 17088 [2024-12-01 23:12:58,387 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 [2024-12-01 23:12:58,388 INFO L435 NwaCegarLoop]: 8698 mSDtfsCounter, 5368 mSDsluCounter, 5477 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5368 SdHoareTripleChecker+Valid, 14175 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:58,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5368 Valid, 14175 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-01 23:12:58,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17088 states. [2024-12-01 23:12:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17088 to 17079. [2024-12-01 23:12:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17079 states, 12926 states have (on average 1.3963329723038835) internal successors, (18049), 13038 states have internal predecessors, (18049), 3461 states have call successors, (3461), 691 states have call predecessors, (3461), 691 states have return successors, (3454), 3419 states have call predecessors, (3454), 3448 states have call successors, (3454) [2024-12-01 23:12:59,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17079 states to 17079 states and 24964 transitions. [2024-12-01 23:12:59,056 INFO L78 Accepts]: Start accepts. Automaton has 17079 states and 24964 transitions. Word has length 647 [2024-12-01 23:12:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:59,057 INFO L471 AbstractCegarLoop]: Abstraction has 17079 states and 24964 transitions. [2024-12-01 23:12:59,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-01 23:12:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17079 states and 24964 transitions. [2024-12-01 23:12:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2024-12-01 23:12:59,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:59,062 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:59,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-01 23:12:59,062 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:59,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash -264152380, now seen corresponding path program 1 times [2024-12-01 23:12:59,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:59,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219446984] [2024-12-01 23:12:59,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:59,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5551 trivial. 0 not checked. [2024-12-01 23:13:02,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:02,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219446984] [2024-12-01 23:13:02,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219446984] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:02,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:02,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:13:02,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156594173] [2024-12-01 23:13:02,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:02,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:13:02,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:02,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:13:02,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:13:02,040 INFO L87 Difference]: Start difference. First operand 17079 states and 24964 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-01 23:13:02,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:02,731 INFO L93 Difference]: Finished difference Result 19554 states and 28550 transitions. [2024-12-01 23:13:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:13:02,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 647 [2024-12-01 23:13:02,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:02,795 INFO L225 Difference]: With dead ends: 19554 [2024-12-01 23:13:02,795 INFO L226 Difference]: Without dead ends: 16592 [2024-12-01 23:13:02,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:13:02,812 INFO L435 NwaCegarLoop]: 5535 mSDtfsCounter, 0 mSDsluCounter, 22126 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27661 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:02,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27661 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:13:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16592 states. [2024-12-01 23:13:03,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16592 to 16592. [2024-12-01 23:13:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16592 states, 12532 states have (on average 1.3931535269709543) internal successors, (17459), 12642 states have internal predecessors, (17459), 3378 states have call successors, (3378), 681 states have call predecessors, (3378), 681 states have return successors, (3372), 3338 states have call predecessors, (3372), 3366 states have call successors, (3372) [2024-12-01 23:13:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16592 states to 16592 states and 24209 transitions. [2024-12-01 23:13:03,396 INFO L78 Accepts]: Start accepts. Automaton has 16592 states and 24209 transitions. Word has length 647 [2024-12-01 23:13:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:03,397 INFO L471 AbstractCegarLoop]: Abstraction has 16592 states and 24209 transitions. [2024-12-01 23:13:03,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-01 23:13:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 16592 states and 24209 transitions. [2024-12-01 23:13:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-12-01 23:13:03,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:03,401 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-01 23:13:03,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-01 23:13:03,402 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:03,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:03,402 INFO L85 PathProgramCache]: Analyzing trace with hash 982349576, now seen corresponding path program 1 times [2024-12-01 23:13:03,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:03,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360877701] [2024-12-01 23:13:03,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:03,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2024-12-01 23:13:06,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:06,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360877701] [2024-12-01 23:13:06,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360877701] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:06,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:06,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:06,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111665650] [2024-12-01 23:13:06,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:06,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:06,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:06,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:06,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:06,052 INFO L87 Difference]: Start difference. First operand 16592 states and 24209 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-01 23:13:10,104 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 [] [2024-12-01 23:13:10,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:10,913 INFO L93 Difference]: Finished difference Result 16602 states and 24217 transitions. [2024-12-01 23:13:10,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:10,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 652 [2024-12-01 23:13:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:10,977 INFO L225 Difference]: With dead ends: 16602 [2024-12-01 23:13:10,977 INFO L226 Difference]: Without dead ends: 16599 [2024-12-01 23:13:10,987 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 [2024-12-01 23:13:10,987 INFO L435 NwaCegarLoop]: 7424 mSDtfsCounter, 4034 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 10831 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:10,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 10831 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-01 23:13:10,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16599 states. [2024-12-01 23:13:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16599 to 16591. [2024-12-01 23:13:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16591 states, 12532 states have (on average 1.3928343440791573) internal successors, (17455), 12641 states have internal predecessors, (17455), 3377 states have call successors, (3377), 681 states have call predecessors, (3377), 681 states have return successors, (3372), 3338 states have call predecessors, (3372), 3366 states have call successors, (3372) [2024-12-01 23:13:11,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16591 states to 16591 states and 24204 transitions. [2024-12-01 23:13:11,582 INFO L78 Accepts]: Start accepts. Automaton has 16591 states and 24204 transitions. Word has length 652 [2024-12-01 23:13:11,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:11,583 INFO L471 AbstractCegarLoop]: Abstraction has 16591 states and 24204 transitions. [2024-12-01 23:13:11,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (51), 3 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-01 23:13:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 16591 states and 24204 transitions. [2024-12-01 23:13:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-12-01 23:13:11,589 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:11,589 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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] [2024-12-01 23:13:11,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-01 23:13:11,589 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:11,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:11,589 INFO L85 PathProgramCache]: Analyzing trace with hash -986601287, now seen corresponding path program 1 times [2024-12-01 23:13:11,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:11,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998273712] [2024-12-01 23:13:11,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5583 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5557 trivial. 0 not checked. [2024-12-01 23:13:14,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:14,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998273712] [2024-12-01 23:13:14,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998273712] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:14,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:14,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:13:14,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334666559] [2024-12-01 23:13:14,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:14,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:13:14,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:14,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:13:14,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:13:14,521 INFO L87 Difference]: Start difference. First operand 16591 states and 24204 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-01 23:13:15,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:15,361 INFO L93 Difference]: Finished difference Result 22147 states and 32218 transitions. [2024-12-01 23:13:15,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:13:15,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 664 [2024-12-01 23:13:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:15,425 INFO L225 Difference]: With dead ends: 22147 [2024-12-01 23:13:15,426 INFO L226 Difference]: Without dead ends: 16584 [2024-12-01 23:13:15,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:13:15,447 INFO L435 NwaCegarLoop]: 5526 mSDtfsCounter, 0 mSDsluCounter, 22098 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27624 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:15,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27624 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:13:15,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16584 states. [2024-12-01 23:13:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16584 to 16584. [2024-12-01 23:13:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16584 states, 12527 states have (on average 1.3928314839945717) internal successors, (17448), 12636 states have internal predecessors, (17448), 3377 states have call successors, (3377), 681 states have call predecessors, (3377), 679 states have return successors, (3370), 3336 states have call predecessors, (3370), 3366 states have call successors, (3370) [2024-12-01 23:13:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16584 states to 16584 states and 24195 transitions. [2024-12-01 23:13:16,132 INFO L78 Accepts]: Start accepts. Automaton has 16584 states and 24195 transitions. Word has length 664 [2024-12-01 23:13:16,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:16,133 INFO L471 AbstractCegarLoop]: Abstraction has 16584 states and 24195 transitions. [2024-12-01 23:13:16,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-01 23:13:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 16584 states and 24195 transitions. [2024-12-01 23:13:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2024-12-01 23:13:16,144 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:16,144 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:16,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-01 23:13:16,144 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:16,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:16,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1465706141, now seen corresponding path program 1 times [2024-12-01 23:13:16,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:16,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319549428] [2024-12-01 23:13:16,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5571 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2024-12-01 23:13:19,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:19,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319549428] [2024-12-01 23:13:19,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319549428] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:19,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:19,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:13:19,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956821112] [2024-12-01 23:13:19,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:19,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:13:19,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:19,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:13:19,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:13:19,066 INFO L87 Difference]: Start difference. First operand 16584 states and 24195 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-01 23:13:23,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:13:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:26,028 INFO L93 Difference]: Finished difference Result 40478 states and 58923 transitions. [2024-12-01 23:13:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-01 23:13:26,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 709 [2024-12-01 23:13:26,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:26,191 INFO L225 Difference]: With dead ends: 40478 [2024-12-01 23:13:26,191 INFO L226 Difference]: Without dead ends: 24326 [2024-12-01 23:13:26,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:13:26,224 INFO L435 NwaCegarLoop]: 9378 mSDtfsCounter, 3870 mSDsluCounter, 33633 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 43011 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:26,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3870 Valid, 43011 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-12-01 23:13:26,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24326 states. [2024-12-01 23:13:27,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24326 to 22858. [2024-12-01 23:13:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22858 states, 17219 states have (on average 1.3873047215285441) internal successors, (23888), 17376 states have internal predecessors, (23888), 4668 states have call successors, (4668), 972 states have call predecessors, (4668), 970 states have return successors, (4661), 4610 states have call predecessors, (4661), 4656 states have call successors, (4661) [2024-12-01 23:13:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22858 states to 22858 states and 33217 transitions. [2024-12-01 23:13:27,116 INFO L78 Accepts]: Start accepts. Automaton has 22858 states and 33217 transitions. Word has length 709 [2024-12-01 23:13:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:27,117 INFO L471 AbstractCegarLoop]: Abstraction has 22858 states and 33217 transitions. [2024-12-01 23:13:27,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-01 23:13:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 22858 states and 33217 transitions. [2024-12-01 23:13:27,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2024-12-01 23:13:27,139 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:27,139 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:27,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-01 23:13:27,139 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:27,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:27,140 INFO L85 PathProgramCache]: Analyzing trace with hash -891943253, now seen corresponding path program 1 times [2024-12-01 23:13:27,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:27,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544985659] [2024-12-01 23:13:27,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:27,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5578 trivial. 0 not checked. [2024-12-01 23:13:30,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:30,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544985659] [2024-12-01 23:13:30,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544985659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:30,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:13:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638990594] [2024-12-01 23:13:30,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:30,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:13:30,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:30,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:13:30,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:13:30,059 INFO L87 Difference]: Start difference. First operand 22858 states and 33217 transitions. Second operand has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-12-01 23:13:31,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:31,183 INFO L93 Difference]: Finished difference Result 45290 states and 65821 transitions. [2024-12-01 23:13:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:13:31,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 766 [2024-12-01 23:13:31,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:31,276 INFO L225 Difference]: With dead ends: 45290 [2024-12-01 23:13:31,276 INFO L226 Difference]: Without dead ends: 22864 [2024-12-01 23:13:31,337 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 [2024-12-01 23:13:31,338 INFO L435 NwaCegarLoop]: 5527 mSDtfsCounter, 0 mSDsluCounter, 11045 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16572 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:31,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16572 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:31,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22864 states. [2024-12-01 23:13:32,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22864 to 22864. [2024-12-01 23:13:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22864 states, 17225 states have (on average 1.3871698113207547) internal successors, (23894), 17382 states have internal predecessors, (23894), 4668 states have call successors, (4668), 972 states have call predecessors, (4668), 970 states have return successors, (4661), 4610 states have call predecessors, (4661), 4656 states have call successors, (4661) [2024-12-01 23:13:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22864 states to 22864 states and 33223 transitions. [2024-12-01 23:13:32,322 INFO L78 Accepts]: Start accepts. Automaton has 22864 states and 33223 transitions. Word has length 766 [2024-12-01 23:13:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:32,322 INFO L471 AbstractCegarLoop]: Abstraction has 22864 states and 33223 transitions. [2024-12-01 23:13:32,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-12-01 23:13:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22864 states and 33223 transitions. [2024-12-01 23:13:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2024-12-01 23:13:32,343 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:32,343 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:32,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-01 23:13:32,343 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:32,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2109247543, now seen corresponding path program 1 times [2024-12-01 23:13:32,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:32,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122332942] [2024-12-01 23:13:32,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:32,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5578 trivial. 0 not checked. [2024-12-01 23:13:35,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:35,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122332942] [2024-12-01 23:13:35,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122332942] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:35,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:35,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 23:13:35,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102378794] [2024-12-01 23:13:35,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:35,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:13:35,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:35,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:13:35,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:13:35,559 INFO L87 Difference]: Start difference. First operand 22864 states and 33223 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 4 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2024-12-01 23:13:39,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:13:42,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:42,905 INFO L93 Difference]: Finished difference Result 53100 states and 77067 transitions. [2024-12-01 23:13:42,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 23:13:42,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 4 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 767 [2024-12-01 23:13:42,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:43,022 INFO L225 Difference]: With dead ends: 53100 [2024-12-01 23:13:43,022 INFO L226 Difference]: Without dead ends: 30668 [2024-12-01 23:13:43,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:13:43,083 INFO L435 NwaCegarLoop]: 9373 mSDtfsCounter, 3882 mSDsluCounter, 42985 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 52358 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:43,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 52358 Invalid, 101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-01 23:13:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30668 states. [2024-12-01 23:13:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30668 to 22891. [2024-12-01 23:13:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22891 states, 17243 states have (on average 1.3869396276749986) internal successors, (23915), 17400 states have internal predecessors, (23915), 4677 states have call successors, (4677), 972 states have call predecessors, (4677), 970 states have return successors, (4670), 4619 states have call predecessors, (4670), 4665 states have call successors, (4670) [2024-12-01 23:13:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 33262 transitions. [2024-12-01 23:13:44,106 INFO L78 Accepts]: Start accepts. Automaton has 22891 states and 33262 transitions. Word has length 767 [2024-12-01 23:13:44,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:44,106 INFO L471 AbstractCegarLoop]: Abstraction has 22891 states and 33262 transitions. [2024-12-01 23:13:44,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 4 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2024-12-01 23:13:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22891 states and 33262 transitions. [2024-12-01 23:13:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2024-12-01 23:13:44,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:44,134 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:44,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-01 23:13:44,134 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:44,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:44,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1147256968, now seen corresponding path program 1 times [2024-12-01 23:13:44,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:44,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505047612] [2024-12-01 23:13:44,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:44,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5610 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5593 trivial. 0 not checked. [2024-12-01 23:13:46,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:46,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505047612] [2024-12-01 23:13:46,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505047612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:46,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:46,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875756948] [2024-12-01 23:13:46,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:46,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:46,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:46,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:46,759 INFO L87 Difference]: Start difference. First operand 22891 states and 33262 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-01 23:13:48,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:48,020 INFO L93 Difference]: Finished difference Result 45857 states and 66688 transitions. [2024-12-01 23:13:48,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:48,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 835 [2024-12-01 23:13:48,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:48,124 INFO L225 Difference]: With dead ends: 45857 [2024-12-01 23:13:48,124 INFO L226 Difference]: Without dead ends: 23398 [2024-12-01 23:13:48,186 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 [2024-12-01 23:13:48,187 INFO L435 NwaCegarLoop]: 5711 mSDtfsCounter, 163 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 11252 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:48,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 11252 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-01 23:13:48,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23398 states. [2024-12-01 23:13:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23398 to 22903. [2024-12-01 23:13:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22903 states, 17255 states have (on average 1.386670530281078) internal successors, (23927), 17412 states have internal predecessors, (23927), 4677 states have call successors, (4677), 972 states have call predecessors, (4677), 970 states have return successors, (4670), 4619 states have call predecessors, (4670), 4665 states have call successors, (4670) [2024-12-01 23:13:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 33274 transitions. [2024-12-01 23:13:49,304 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 33274 transitions. Word has length 835 [2024-12-01 23:13:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:49,304 INFO L471 AbstractCegarLoop]: Abstraction has 22903 states and 33274 transitions. [2024-12-01 23:13:49,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 2 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-01 23:13:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 33274 transitions. [2024-12-01 23:13:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2024-12-01 23:13:49,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:49,333 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:49,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-01 23:13:49,333 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:49,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash 11278268, now seen corresponding path program 1 times [2024-12-01 23:13:49,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:49,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174822267] [2024-12-01 23:13:49,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5611 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5593 trivial. 0 not checked. [2024-12-01 23:13:52,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:52,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174822267] [2024-12-01 23:13:52,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174822267] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:52,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340174075] [2024-12-01 23:13:52,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:52,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:52,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:52,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:52,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:13:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:57,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 7349 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:13:57,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5611 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5579 trivial. 0 not checked. [2024-12-01 23:13:57,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340174075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:57,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-01 23:13:57,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199241850] [2024-12-01 23:13:57,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:57,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:57,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:57,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:57,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:13:57,453 INFO L87 Difference]: Start difference. First operand 22903 states and 33274 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-01 23:13:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:58,468 INFO L93 Difference]: Finished difference Result 45374 states and 67054 transitions. [2024-12-01 23:13:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 837 [2024-12-01 23:13:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:58,569 INFO L225 Difference]: With dead ends: 45374 [2024-12-01 23:13:58,569 INFO L226 Difference]: Without dead ends: 22903 [2024-12-01 23:13:58,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 837 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:13:58,646 INFO L435 NwaCegarLoop]: 5523 mSDtfsCounter, 0 mSDsluCounter, 5517 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11040 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:58,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11040 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:58,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22903 states. [2024-12-01 23:13:59,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22903 to 22903. [2024-12-01 23:13:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22903 states, 17255 states have (on average 1.3847580411474936) internal successors, (23894), 17412 states have internal predecessors, (23894), 4677 states have call successors, (4677), 972 states have call predecessors, (4677), 970 states have return successors, (4670), 4619 states have call predecessors, (4670), 4665 states have call successors, (4670) [2024-12-01 23:13:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 33241 transitions. [2024-12-01 23:13:59,667 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 33241 transitions. Word has length 837 [2024-12-01 23:13:59,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:59,668 INFO L471 AbstractCegarLoop]: Abstraction has 22903 states and 33241 transitions. [2024-12-01 23:13:59,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-01 23:13:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 33241 transitions. [2024-12-01 23:13:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2024-12-01 23:13:59,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:59,706 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:59,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-01 23:13:59,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:59,907 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:59,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -65516862, now seen corresponding path program 1 times [2024-12-01 23:13:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:59,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883228773] [2024-12-01 23:13:59,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5611 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5593 trivial. 0 not checked. [2024-12-01 23:14:02,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:02,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883228773] [2024-12-01 23:14:02,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883228773] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:02,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122411529] [2024-12-01 23:14:02,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:02,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:02,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:02,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:02,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 23:14:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:07,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 7355 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:14:07,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5611 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 5575 trivial. 0 not checked. [2024-12-01 23:14:07,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:14:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5611 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5593 trivial. 0 not checked. [2024-12-01 23:14:15,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122411529] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:14:15,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:14:15,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-01 23:14:15,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382755702] [2024-12-01 23:14:15,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:14:15,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:14:15,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:15,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:14:15,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:15,992 INFO L87 Difference]: Start difference. First operand 22903 states and 33241 transitions. Second operand has 7 states, 7 states have (on average 46.142857142857146) internal successors, (323), 7 states have internal predecessors, (323), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2024-12-01 23:14:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:20,156 INFO L93 Difference]: Finished difference Result 47384 states and 68974 transitions. [2024-12-01 23:14:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:14:20,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 46.142857142857146) internal successors, (323), 7 states have internal predecessors, (323), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) Word has length 840 [2024-12-01 23:14:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:20,268 INFO L225 Difference]: With dead ends: 47384 [2024-12-01 23:14:20,268 INFO L226 Difference]: Without dead ends: 24913 [2024-12-01 23:14:20,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1682 GetRequests, 1677 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:20,331 INFO L435 NwaCegarLoop]: 5708 mSDtfsCounter, 650 mSDsluCounter, 22655 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 28363 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:20,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 28363 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-12-01 23:14:20,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24913 states. [2024-12-01 23:14:21,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24913 to 23191. [2024-12-01 23:14:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23191 states, 17507 states have (on average 1.3848746215799395) internal successors, (24245), 17664 states have internal predecessors, (24245), 4713 states have call successors, (4713), 972 states have call predecessors, (4713), 970 states have return successors, (4706), 4655 states have call predecessors, (4706), 4701 states have call successors, (4706) [2024-12-01 23:14:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23191 states to 23191 states and 33664 transitions. [2024-12-01 23:14:21,473 INFO L78 Accepts]: Start accepts. Automaton has 23191 states and 33664 transitions. Word has length 840 [2024-12-01 23:14:21,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:21,474 INFO L471 AbstractCegarLoop]: Abstraction has 23191 states and 33664 transitions. [2024-12-01 23:14:21,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 46.142857142857146) internal successors, (323), 7 states have internal predecessors, (323), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2024-12-01 23:14:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 23191 states and 33664 transitions. [2024-12-01 23:14:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2024-12-01 23:14:21,500 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:21,500 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:21,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-01 23:14:21,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:21,701 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:14:21,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash -830389130, now seen corresponding path program 2 times [2024-12-01 23:14:21,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836381929] [2024-12-01 23:14:21,702 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 23:14:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:23,733 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-01 23:14:23,734 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-01 23:14:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5626 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5626 trivial. 0 not checked. [2024-12-01 23:14:24,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:24,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836381929] [2024-12-01 23:14:24,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836381929] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:24,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:24,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:14:24,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110182192] [2024-12-01 23:14:24,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:24,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:14:24,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:24,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:14:24,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:14:24,423 INFO L87 Difference]: Start difference. First operand 23191 states and 33664 transitions. Second operand has 6 states, 6 states have (on average 42.0) internal successors, (252), 5 states have internal predecessors, (252), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 3 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-01 23:14:25,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:25,733 INFO L93 Difference]: Finished difference Result 24322 states and 35300 transitions. [2024-12-01 23:14:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:14:25,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 5 states have internal predecessors, (252), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 3 states have call predecessors, (73), 2 states have call successors, (73) Word has length 846 [2024-12-01 23:14:25,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:25,838 INFO L225 Difference]: With dead ends: 24322 [2024-12-01 23:14:25,838 INFO L226 Difference]: Without dead ends: 23067 [2024-12-01 23:14:25,856 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 [2024-12-01 23:14:25,857 INFO L435 NwaCegarLoop]: 5530 mSDtfsCounter, 0 mSDsluCounter, 22105 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27635 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:25,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27635 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:14:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23067 states. [2024-12-01 23:14:26,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23067 to 23067. [2024-12-01 23:14:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23067 states, 17408 states have (on average 1.3843060661764706) internal successors, (24098), 17564 states have internal predecessors, (24098), 4692 states have call successors, (4692), 968 states have call predecessors, (4692), 966 states have return successors, (4686), 4635 states have call predecessors, (4686), 4681 states have call successors, (4686) [2024-12-01 23:14:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23067 states to 23067 states and 33476 transitions. [2024-12-01 23:14:26,972 INFO L78 Accepts]: Start accepts. Automaton has 23067 states and 33476 transitions. Word has length 846 [2024-12-01 23:14:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:26,972 INFO L471 AbstractCegarLoop]: Abstraction has 23067 states and 33476 transitions. [2024-12-01 23:14:26,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 5 states have internal predecessors, (252), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (73), 3 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-01 23:14:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 23067 states and 33476 transitions. [2024-12-01 23:14:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2024-12-01 23:14:27,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:27,002 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:27,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-01 23:14:27,002 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:14:27,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1872641821, now seen corresponding path program 1 times [2024-12-01 23:14:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655183494] [2024-12-01 23:14:27,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:27,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5662 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 5620 trivial. 0 not checked. [2024-12-01 23:14:30,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:30,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655183494] [2024-12-01 23:14:30,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655183494] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:30,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021236902] [2024-12-01 23:14:30,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:30,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:30,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:30,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:30,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-01 23:14:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:36,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 7553 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:14:36,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5662 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5623 trivial. 0 not checked. [2024-12-01 23:14:36,495 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:14:36,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021236902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:36,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:14:36,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-01 23:14:36,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587076491] [2024-12-01 23:14:36,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:36,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:36,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:36,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:36,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:14:36,497 INFO L87 Difference]: Start difference. First operand 23067 states and 33476 transitions. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-01 23:14:40,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:42,256 INFO L93 Difference]: Finished difference Result 45732 states and 66360 transitions. [2024-12-01 23:14:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:42,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 860 [2024-12-01 23:14:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:42,343 INFO L225 Difference]: With dead ends: 45732 [2024-12-01 23:14:42,343 INFO L226 Difference]: Without dead ends: 23097 [2024-12-01 23:14:42,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 861 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:14:42,397 INFO L435 NwaCegarLoop]: 8466 mSDtfsCounter, 4500 mSDsluCounter, 3957 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 12423 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:42,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 12423 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-01 23:14:42,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23097 states. [2024-12-01 23:14:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23097 to 23067. [2024-12-01 23:14:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23067 states, 17408 states have (on average 1.3838465073529411) internal successors, (24090), 17564 states have internal predecessors, (24090), 4692 states have call successors, (4692), 968 states have call predecessors, (4692), 966 states have return successors, (4686), 4635 states have call predecessors, (4686), 4681 states have call successors, (4686) [2024-12-01 23:14:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23067 states to 23067 states and 33468 transitions. [2024-12-01 23:14:43,357 INFO L78 Accepts]: Start accepts. Automaton has 23067 states and 33468 transitions. Word has length 860 [2024-12-01 23:14:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:43,358 INFO L471 AbstractCegarLoop]: Abstraction has 23067 states and 33468 transitions. [2024-12-01 23:14:43,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-01 23:14:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 23067 states and 33468 transitions. [2024-12-01 23:14:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2024-12-01 23:14:43,387 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:43,387 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:43,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-01 23:14:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:43,587 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:14:43,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash -855573844, now seen corresponding path program 1 times [2024-12-01 23:14:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441467054] [2024-12-01 23:14:43,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5670 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 5627 trivial. 0 not checked. [2024-12-01 23:14:46,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:46,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441467054] [2024-12-01 23:14:46,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441467054] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:46,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707640611] [2024-12-01 23:14:46,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:46,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:46,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:46,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:46,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-01 23:14:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:52,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 7533 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-01 23:14:52,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5670 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 5624 trivial. 0 not checked. [2024-12-01 23:14:52,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:14:52,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707640611] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:52,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:14:52,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-12-01 23:14:52,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963582799] [2024-12-01 23:14:52,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:52,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:14:52,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:52,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:14:52,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:14:52,987 INFO L87 Difference]: Start difference. First operand 23067 states and 33468 transitions. Second operand has 4 states, 4 states have (on average 64.5) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2024-12-01 23:14:55,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:55,149 INFO L93 Difference]: Finished difference Result 46571 states and 68690 transitions. [2024-12-01 23:14:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:14:55,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.5) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 859 [2024-12-01 23:14:55,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:55,271 INFO L225 Difference]: With dead ends: 46571 [2024-12-01 23:14:55,271 INFO L226 Difference]: Without dead ends: 23224 [2024-12-01 23:14:55,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 864 GetRequests, 860 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:14:55,361 INFO L435 NwaCegarLoop]: 5578 mSDtfsCounter, 82 mSDsluCounter, 11010 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 16588 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:55,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 16588 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-01 23:14:55,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23224 states. [2024-12-01 23:14:56,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23224 to 23224. [2024-12-01 23:14:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23224 states, 17546 states have (on average 1.3828792887267753) internal successors, (24264), 17708 states have internal predecessors, (24264), 4708 states have call successors, (4708), 968 states have call predecessors, (4708), 969 states have return successors, (4705), 4651 states have call predecessors, (4705), 4697 states have call successors, (4705) [2024-12-01 23:14:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23224 states to 23224 states and 33677 transitions. [2024-12-01 23:14:56,611 INFO L78 Accepts]: Start accepts. Automaton has 23224 states and 33677 transitions. Word has length 859 [2024-12-01 23:14:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:56,611 INFO L471 AbstractCegarLoop]: Abstraction has 23224 states and 33677 transitions. [2024-12-01 23:14:56,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.5) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2024-12-01 23:14:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 23224 states and 33677 transitions. [2024-12-01 23:14:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2024-12-01 23:14:56,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:56,655 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:56,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-01 23:14:56,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-01 23:14:56,856 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:14:56,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:56,857 INFO L85 PathProgramCache]: Analyzing trace with hash 677532363, now seen corresponding path program 1 times [2024-12-01 23:14:56,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:56,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146498265] [2024-12-01 23:14:56,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:56,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5664 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 5621 trivial. 0 not checked. [2024-12-01 23:14:59,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:59,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146498265] [2024-12-01 23:14:59,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146498265] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:59,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411853665] [2024-12-01 23:14:59,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:59,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:59,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:59,867 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:59,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-01 23:15:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:05,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 7688 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:15:05,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:15:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5664 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5624 trivial. 0 not checked. [2024-12-01 23:15:06,540 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:15:06,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411853665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:06,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:15:06,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-12-01 23:15:06,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291742548] [2024-12-01 23:15:06,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:06,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:15:06,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:06,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:15:06,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:15:06,542 INFO L87 Difference]: Start difference. First operand 23224 states and 33677 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 3 states have call successors, (71), 2 states have call predecessors, (71), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2024-12-01 23:15:09,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:09,735 INFO L93 Difference]: Finished difference Result 46968 states and 69609 transitions. [2024-12-01 23:15:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:15:09,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 3 states have call successors, (71), 2 states have call predecessors, (71), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 860 [2024-12-01 23:15:09,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:09,838 INFO L225 Difference]: With dead ends: 46968 [2024-12-01 23:15:09,838 INFO L226 Difference]: Without dead ends: 23656 [2024-12-01 23:15:09,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 860 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:15:09,915 INFO L435 NwaCegarLoop]: 5525 mSDtfsCounter, 174 mSDsluCounter, 10811 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 16336 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:09,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 16336 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-01 23:15:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23656 states. [2024-12-01 23:15:10,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23656 to 23224. [2024-12-01 23:15:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23224 states, 17546 states have (on average 1.3819673999772029) internal successors, (24248), 17708 states have internal predecessors, (24248), 4708 states have call successors, (4708), 968 states have call predecessors, (4708), 969 states have return successors, (4705), 4651 states have call predecessors, (4705), 4697 states have call successors, (4705) [2024-12-01 23:15:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23224 states to 23224 states and 33661 transitions. [2024-12-01 23:15:10,961 INFO L78 Accepts]: Start accepts. Automaton has 23224 states and 33661 transitions. Word has length 860 [2024-12-01 23:15:10,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:10,961 INFO L471 AbstractCegarLoop]: Abstraction has 23224 states and 33661 transitions. [2024-12-01 23:15:10,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 3 states have call successors, (71), 2 states have call predecessors, (71), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2024-12-01 23:15:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 23224 states and 33661 transitions. [2024-12-01 23:15:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2024-12-01 23:15:10,991 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:10,992 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:11,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-01 23:15:11,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe65fc0-7b97-4545-924c-851385294682/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:15:11,192 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:15:11,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:11,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1352692489, now seen corresponding path program 1 times [2024-12-01 23:15:11,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:11,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234735062] [2024-12-01 23:15:11,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:11,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5664 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5629 trivial. 0 not checked. [2024-12-01 23:15:14,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:14,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234735062] [2024-12-01 23:15:14,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234735062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:14,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:14,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:15:14,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127444951] [2024-12-01 23:15:14,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:14,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:15:14,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:14,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:15:14,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:15:14,625 INFO L87 Difference]: Start difference. First operand 23224 states and 33661 transitions. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 5 states have internal predecessors, (262), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-01 23:15:15,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:15,852 INFO L93 Difference]: Finished difference Result 31407 states and 45413 transitions. [2024-12-01 23:15:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:15:15,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 5 states have internal predecessors, (262), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) Word has length 860 [2024-12-01 23:15:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:15,958 INFO L225 Difference]: With dead ends: 31407 [2024-12-01 23:15:15,958 INFO L226 Difference]: Without dead ends: 23223 [2024-12-01 23:15:15,993 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 [2024-12-01 23:15:15,993 INFO L435 NwaCegarLoop]: 5523 mSDtfsCounter, 0 mSDsluCounter, 22085 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27608 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 [2024-12-01 23:15:15,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27608 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:15:16,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23223 states. [2024-12-01 23:15:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23223 to 23223. [2024-12-01 23:15:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23223 states, 17545 states have (on average 1.3819321744086634) internal successors, (24246), 17707 states have internal predecessors, (24246), 4708 states have call successors, (4708), 968 states have call predecessors, (4708), 969 states have return successors, (4705), 4651 states have call predecessors, (4705), 4697 states have call successors, (4705) [2024-12-01 23:15:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23223 states to 23223 states and 33659 transitions. [2024-12-01 23:15:17,091 INFO L78 Accepts]: Start accepts. Automaton has 23223 states and 33659 transitions. Word has length 860 [2024-12-01 23:15:17,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:17,092 INFO L471 AbstractCegarLoop]: Abstraction has 23223 states and 33659 transitions. [2024-12-01 23:15:17,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 5 states have internal predecessors, (262), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-01 23:15:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 23223 states and 33659 transitions. [2024-12-01 23:15:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2024-12-01 23:15:17,120 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:17,121 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:17,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-01 23:15:17,121 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:15:17,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:17,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1230122340, now seen corresponding path program 1 times [2024-12-01 23:15:17,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:17,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018037652] [2024-12-01 23:15:17,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:17,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5631 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5631 trivial. 0 not checked. [2024-12-01 23:15:20,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:20,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018037652] [2024-12-01 23:15:20,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018037652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:20,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:20,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:15:20,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480934149] [2024-12-01 23:15:20,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:20,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:15:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:20,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:15:20,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:15:20,660 INFO L87 Difference]: Start difference. First operand 23223 states and 33659 transitions. Second operand has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 5 states have internal predecessors, (259), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 2 states have call predecessors, (72), 1 states have call successors, (72) [2024-12-01 23:15:21,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:21,695 INFO L93 Difference]: Finished difference Result 23225 states and 33660 transitions. [2024-12-01 23:15:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:15:21,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 5 states have internal predecessors, (259), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 2 states have call predecessors, (72), 1 states have call successors, (72) Word has length 862 [2024-12-01 23:15:21,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:21,791 INFO L225 Difference]: With dead ends: 23225 [2024-12-01 23:15:21,791 INFO L226 Difference]: Without dead ends: 21121 [2024-12-01 23:15:21,810 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 [2024-12-01 23:15:21,810 INFO L435 NwaCegarLoop]: 5528 mSDtfsCounter, 0 mSDsluCounter, 22097 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27625 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:21,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27625 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:15:21,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21121 states. [2024-12-01 23:15:22,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21121 to 21121. [2024-12-01 23:15:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21121 states, 15907 states have (on average 1.3765637769535424) internal successors, (21897), 16056 states have internal predecessors, (21897), 4308 states have call successors, (4308), 903 states have call predecessors, (4308), 905 states have return successors, (4308), 4258 states have call predecessors, (4308), 4300 states have call successors, (4308) [2024-12-01 23:15:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21121 states to 21121 states and 30513 transitions. [2024-12-01 23:15:22,788 INFO L78 Accepts]: Start accepts. Automaton has 21121 states and 30513 transitions. Word has length 862 [2024-12-01 23:15:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:22,788 INFO L471 AbstractCegarLoop]: Abstraction has 21121 states and 30513 transitions. [2024-12-01 23:15:22,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 5 states have internal predecessors, (259), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 2 states have call predecessors, (72), 1 states have call successors, (72) [2024-12-01 23:15:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 21121 states and 30513 transitions. [2024-12-01 23:15:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-12-01 23:15:22,821 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:22,821 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:22,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-01 23:15:22,821 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:15:22,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:22,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1153580807, now seen corresponding path program 1 times [2024-12-01 23:15:22,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:22,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303023148] [2024-12-01 23:15:22,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:22,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5677 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 5648 trivial. 0 not checked. [2024-12-01 23:15:26,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:26,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303023148] [2024-12-01 23:15:26,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303023148] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:26,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:26,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:15:26,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595976947] [2024-12-01 23:15:26,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:26,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:15:26,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:26,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:15:26,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:15:26,061 INFO L87 Difference]: Start difference. First operand 21121 states and 30513 transitions. Second operand has 6 states, 6 states have (on average 44.5) internal successors, (267), 5 states have internal predecessors, (267), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (76), 3 states have call predecessors, (76), 2 states have call successors, (76) [2024-12-01 23:15:26,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:26,976 INFO L93 Difference]: Finished difference Result 25036 states and 36192 transitions. [2024-12-01 23:15:26,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:15:26,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.5) internal successors, (267), 5 states have internal predecessors, (267), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (76), 3 states have call predecessors, (76), 2 states have call successors, (76) Word has length 888 [2024-12-01 23:15:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:27,011 INFO L225 Difference]: With dead ends: 25036 [2024-12-01 23:15:27,011 INFO L226 Difference]: Without dead ends: 0 [2024-12-01 23:15:27,059 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 [2024-12-01 23:15:27,060 INFO L435 NwaCegarLoop]: 5472 mSDtfsCounter, 0 mSDsluCounter, 21881 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27353 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 [2024-12-01 23:15:27,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27353 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:15:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-01 23:15:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-01 23:15:27,060 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) [2024-12-01 23:15:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-01 23:15:27,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 888 [2024-12-01 23:15:27,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:27,088 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:15:27,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.5) internal successors, (267), 5 states have internal predecessors, (267), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (76), 3 states have call predecessors, (76), 2 states have call successors, (76) [2024-12-01 23:15:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-01 23:15:27,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-01 23:15:27,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:15:27,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-01 23:15:27,092 INFO L422 BasicCegarLoop]: Path program histogram: [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] [2024-12-01 23:15:27,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-01 23:16:17,554 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 112 DAG size of output: 38 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:16:39,802 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:17:03,522 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:17:46,791 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 126 DAG size of output: 43 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:18:03,348 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 116 DAG size of output: 43 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:18:14,337 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 100 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:19:23,596 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 118 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:19:54,939 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 102 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:20:05,723 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:20:52,481 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:22:08,502 WARN L286 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 112 DAG size of output: 38 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:22:36,435 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:22:52,767 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 112 DAG size of output: 38 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:23:02,358 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:23:11,881 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 130 DAG size of output: 38 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:23:46,265 WARN L286 SmtUtils]: Spent 7.35s on a formula simplification. DAG size of input: 106 DAG size of output: 42 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)