./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC --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 caae4db63337890a4a0ad5519e5dc1ac7860ae33fd5676bf609d979eac0ef7c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:30:59,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:31:00,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:31:00,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:31:00,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:31:00,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:31:00,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:31:00,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:31:00,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:31:00,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:31:00,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:31:00,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:31:00,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:31:00,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:31:00,099 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:31:00,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:31:00,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:31:00,101 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:31:00,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:31:00,102 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:31:00,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:00,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:31:00,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:00,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:00,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:31:00,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:00,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:31:00,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:00,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:00,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:31:00,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:31:00,106 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:31:00,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:31:00,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:31:00,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:31:00,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:31:00,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:31:00,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:31:00,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:31:00,108 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_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC 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 -> caae4db63337890a4a0ad5519e5dc1ac7860ae33fd5676bf609d979eac0ef7c8 [2024-11-23 23:31:00,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:31:00,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:31:00,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:31:00,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:31:00,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:31:00,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2024-11-23 23:31:03,850 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/data/6f397bcd5/8824e1f7fa5940a89650a186f9a1ce36/FLAG61256ba6a [2024-11-23 23:31:04,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:31:04,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2024-11-23 23:31:04,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/data/6f397bcd5/8824e1f7fa5940a89650a186f9a1ce36/FLAG61256ba6a [2024-11-23 23:31:04,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/data/6f397bcd5/8824e1f7fa5940a89650a186f9a1ce36 [2024-11-23 23:31:04,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:31:04,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:31:04,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:04,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:31:04,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:31:04,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:04" (1/1) ... [2024-11-23 23:31:04,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21efa345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:04, skipping insertion in model container [2024-11-23 23:31:04,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:04" (1/1) ... [2024-11-23 23:31:05,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:31:07,626 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_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2024-11-23 23:31:07,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:07,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:31:07,913 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)); [4162-4163] [2024-11-23 23:31:07,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4172] [2024-11-23 23:31:07,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4179] [2024-11-23 23:31:07,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4210] [2024-11-23 23:31:07,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4213] [2024-11-23 23:31:07,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4216] [2024-11-23 23:31:07,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4219] [2024-11-23 23:31:07,941 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" (65), "i" (12UL)); [4519-4520] [2024-11-23 23:31:07,944 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" (67), "i" (12UL)); [4527-4528] [2024-11-23 23:31:07,945 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" (68), "i" (12UL)); [4535-4536] [2024-11-23 23:31:07,947 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" (98), "i" (12UL)); [4562-4563] [2024-11-23 23:31:07,949 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" (99), "i" (12UL)); [4570-4571] [2024-11-23 23:31:08,450 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_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2024-11-23 23:31:08,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:08,624 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:31:08,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08 WrapperNode [2024-11-23 23:31:08,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:08,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:08,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:31:08,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:31:08,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:08,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:09,187 INFO L138 Inliner]: procedures = 272, calls = 4202, calls flagged for inlining = 110, calls inlined = 101, statements flattened = 9812 [2024-11-23 23:31:09,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:09,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:31:09,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:31:09,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:31:09,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:09,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:09,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,298 INFO L175 MemorySlicer]: Split 2894 memory accesses to 39 slices as follows [50, 2519, 31, 1, 12, 8, 7, 5, 1, 1, 2, 2, 1, 10, 6, 2, 2, 6, 1, 96, 3, 2, 7, 4, 1, 4, 5, 8, 2, 8, 2, 4, 6, 5, 9, 28, 12, 5, 16]. 87 percent of accesses are in the largest equivalence class. The 232 initializations are split as follows [50, 63, 0, 1, 0, 8, 7, 5, 0, 0, 2, 2, 1, 10, 6, 0, 2, 0, 0, 0, 3, 2, 7, 4, 1, 4, 5, 8, 2, 8, 2, 4, 6, 5, 9, 0, 0, 5, 0]. The 1101 writes are split as follows [0, 919, 24, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 0, 96, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 12, 0, 16]. [2024-11-23 23:31:11,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:11,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:12,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:31:12,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:31:12,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:31:12,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:31:12,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (1/1) ... [2024-11-23 23:31:12,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:12,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:12,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-23 23:31:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-23 23:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2024-11-23 23:31:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2024-11-23 23:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-23 23:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-23 23:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-23 23:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-23 23:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-23 23:31:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-23 23:31:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-23 23:31:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-23 23:31:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-23 23:31:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-23 23:31:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-23 23:31:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-23 23:31:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-23 23:31:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-23 23:31:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#30 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#31 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#32 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#33 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#34 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#35 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#36 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#37 [2024-11-23 23:31:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#38 [2024-11-23 23:31:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-23 23:31:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-23 23:31:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#30 [2024-11-23 23:31:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#31 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#32 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#33 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#34 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#35 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#36 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#37 [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#38 [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 23:31:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:31:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:31:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:31:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:31:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:31:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:31:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-11-23 23:31:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:31:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:31:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 23:31:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 23:31:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 23:31:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-23 23:31:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-23 23:31:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-23 23:31:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-23 23:31:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-23 23:31:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-23 23:31:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-23 23:31:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-23 23:31:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-23 23:31:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-11-23 23:31:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-11-23 23:31:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2024-11-23 23:31:12,162 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2024-11-23 23:31:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-23 23:31:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-23 23:31:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2024-11-23 23:31:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2024-11-23 23:31:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-23 23:31:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-23 23:31:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2024-11-23 23:31:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2024-11-23 23:31:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2024-11-23 23:31:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2024-11-23 23:31:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:31:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:31:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2024-11-23 23:31:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2024-11-23 23:31:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2024-11-23 23:31:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2024-11-23 23:31:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2024-11-23 23:31:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2024-11-23 23:31:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2024-11-23 23:31:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2024-11-23 23:31:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:31:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:31:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:31:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:31:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-23 23:31:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-23 23:31:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2024-11-23 23:31:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2024-11-23 23:31:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2024-11-23 23:31:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2024-11-23 23:31:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-23 23:31:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-23 23:31:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2024-11-23 23:31:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2024-11-23 23:31:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 23:31:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-23 23:31:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-11-23 23:31:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2024-11-23 23:31:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2024-11-23 23:31:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2024-11-23 23:31:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2024-11-23 23:31:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#36 [2024-11-23 23:31:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#37 [2024-11-23 23:31:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#38 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 23:31:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-23 23:31:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-23 23:31:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-23 23:31:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-23 23:31:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-23 23:31:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-11-23 23:31:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#36 [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#37 [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#38 [2024-11-23 23:31:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2024-11-23 23:31:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2024-11-23 23:31:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2024-11-23 23:31:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2024-11-23 23:31:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-23 23:31:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-23 23:31:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2024-11-23 23:31:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2024-11-23 23:31:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2024-11-23 23:31:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2024-11-23 23:31:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2024-11-23 23:31:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2024-11-23 23:31:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2024-11-23 23:31:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2024-11-23 23:31:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2024-11-23 23:31:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2024-11-23 23:31:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2024-11-23 23:31:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2024-11-23 23:31:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-11-23 23:31:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2024-11-23 23:31:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:31:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-23 23:31:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2024-11-23 23:31:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2024-11-23 23:31:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-23 23:31:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2024-11-23 23:31:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2024-11-23 23:31:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2024-11-23 23:31:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2024-11-23 23:31:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2024-11-23 23:31:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2024-11-23 23:31:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-23 23:31:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-23 23:31:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:31:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:31:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:31:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:31:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-23 23:31:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-23 23:31:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-23 23:31:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2024-11-23 23:31:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-11-23 23:31:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:31:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2024-11-23 23:31:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2024-11-23 23:31:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:31:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-11-23 23:31:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2024-11-23 23:31:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2024-11-23 23:31:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:31:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:31:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-11-23 23:31:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#35 [2024-11-23 23:31:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#36 [2024-11-23 23:31:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#37 [2024-11-23 23:31:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#38 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:31:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#35 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#36 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#37 [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#38 [2024-11-23 23:31:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2024-11-23 23:31:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2024-11-23 23:31:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2024-11-23 23:31:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2024-11-23 23:31:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2024-11-23 23:31:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:31:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2024-11-23 23:31:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-23 23:31:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:31:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:31:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-23 23:31:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-11-23 23:31:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-11-23 23:31:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-23 23:31:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-23 23:31:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2024-11-23 23:31:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2024-11-23 23:31:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2024-11-23 23:31:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2024-11-23 23:31:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2024-11-23 23:31:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2024-11-23 23:31:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:31:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:31:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-23 23:31:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:31:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:31:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2024-11-23 23:31:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2024-11-23 23:31:12,215 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-23 23:31:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2024-11-23 23:31:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 23:31:12,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 23:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-23 23:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-23 23:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-23 23:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-23 23:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-23 23:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-11-23 23:31:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2024-11-23 23:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2024-11-23 23:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2024-11-23 23:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2024-11-23 23:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 23:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 23:31:14,259 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:31:14,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:31:59,695 INFO L? ?]: Removed 4523 outVars from TransFormulas that were not future-live. [2024-11-23 23:31:59,695 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:31:59,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:31:59,789 INFO L312 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-23 23:31:59,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:59 BoogieIcfgContainer [2024-11-23 23:31:59,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:31:59,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:31:59,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:31:59,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:31:59,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:31:04" (1/3) ... [2024-11-23 23:31:59,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57140742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:59, skipping insertion in model container [2024-11-23 23:31:59,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:08" (2/3) ... [2024-11-23 23:31:59,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57140742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:59, skipping insertion in model container [2024-11-23 23:31:59,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:59" (3/3) ... [2024-11-23 23:31:59,807 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2024-11-23 23:31:59,836 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:31:59,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i that has 208 procedures, 4056 locations, 1 initial locations, 158 loop locations, and 1 error locations. [2024-11-23 23:32:00,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:32:00,029 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;@49546c99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:32:00,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:32:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 3524 states, 2692 states have (on average 1.4390787518573551) internal successors, (3874), 2720 states have internal predecessors, (3874), 737 states have call successors, (737), 93 states have call predecessors, (737), 93 states have return successors, (737), 732 states have call predecessors, (737), 737 states have call successors, (737) [2024-11-23 23:32:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 23:32:00,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:00,056 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:00,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:00,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:00,066 INFO L85 PathProgramCache]: Analyzing trace with hash -701123362, now seen corresponding path program 1 times [2024-11-23 23:32:00,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:00,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795623408] [2024-11-23 23:32:00,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:05,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795623408] [2024-11-23 23:32:05,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795623408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:05,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:05,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:05,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558054018] [2024-11-23 23:32:05,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:05,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:05,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:05,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:05,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:05,100 INFO L87 Difference]: Start difference. First operand has 3524 states, 2692 states have (on average 1.4390787518573551) internal successors, (3874), 2720 states have internal predecessors, (3874), 737 states have call successors, (737), 93 states have call predecessors, (737), 93 states have return successors, (737), 732 states have call predecessors, (737), 737 states have call successors, (737) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:32:05,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:05,638 INFO L93 Difference]: Finished difference Result 7038 states and 10908 transitions. [2024-11-23 23:32:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:05,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2024-11-23 23:32:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:05,718 INFO L225 Difference]: With dead ends: 7038 [2024-11-23 23:32:05,719 INFO L226 Difference]: Without dead ends: 3513 [2024-11-23 23:32:05,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:05,774 INFO L435 NwaCegarLoop]: 5315 mSDtfsCounter, 5309 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5309 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:05,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5309 Valid, 5315 Invalid, 1 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:32:05,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2024-11-23 23:32:06,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3513. [2024-11-23 23:32:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3513 states, 2683 states have (on average 1.4297428251956765) internal successors, (3836), 2709 states have internal predecessors, (3836), 737 states have call successors, (737), 93 states have call predecessors, (737), 92 states have return successors, (729), 724 states have call predecessors, (729), 729 states have call successors, (729) [2024-11-23 23:32:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3513 states and 5302 transitions. [2024-11-23 23:32:06,248 INFO L78 Accepts]: Start accepts. Automaton has 3513 states and 5302 transitions. Word has length 43 [2024-11-23 23:32:06,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:06,252 INFO L471 AbstractCegarLoop]: Abstraction has 3513 states and 5302 transitions. [2024-11-23 23:32:06,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:32:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 5302 transitions. [2024-11-23 23:32:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 23:32:06,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:06,255 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:06,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:32:06,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:06,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:06,256 INFO L85 PathProgramCache]: Analyzing trace with hash 476512, now seen corresponding path program 1 times [2024-11-23 23:32:06,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:06,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56287360] [2024-11-23 23:32:06,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:06,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:10,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:10,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56287360] [2024-11-23 23:32:10,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56287360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:10,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:10,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:10,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469215030] [2024-11-23 23:32:10,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:10,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:10,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:10,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:10,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:10,266 INFO L87 Difference]: Start difference. First operand 3513 states and 5302 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:32:10,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:10,615 INFO L93 Difference]: Finished difference Result 7017 states and 10592 transitions. [2024-11-23 23:32:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:10,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2024-11-23 23:32:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:10,659 INFO L225 Difference]: With dead ends: 7017 [2024-11-23 23:32:10,659 INFO L226 Difference]: Without dead ends: 3513 [2024-11-23 23:32:10,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:10,686 INFO L435 NwaCegarLoop]: 5300 mSDtfsCounter, 5293 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5293 SdHoareTripleChecker+Valid, 5300 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 [2024-11-23 23:32:10,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5293 Valid, 5300 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:32:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2024-11-23 23:32:10,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3513. [2024-11-23 23:32:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3513 states, 2683 states have (on average 1.4293701080879613) internal successors, (3835), 2709 states have internal predecessors, (3835), 737 states have call successors, (737), 93 states have call predecessors, (737), 92 states have return successors, (729), 724 states have call predecessors, (729), 729 states have call successors, (729) [2024-11-23 23:32:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3513 states and 5301 transitions. [2024-11-23 23:32:10,960 INFO L78 Accepts]: Start accepts. Automaton has 3513 states and 5301 transitions. Word has length 43 [2024-11-23 23:32:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:10,960 INFO L471 AbstractCegarLoop]: Abstraction has 3513 states and 5301 transitions. [2024-11-23 23:32:10,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:32:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 5301 transitions. [2024-11-23 23:32:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 23:32:10,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:10,965 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:10,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:32:10,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:10,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 23108766, now seen corresponding path program 1 times [2024-11-23 23:32:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438097128] [2024-11-23 23:32:10,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:14,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:14,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438097128] [2024-11-23 23:32:14,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438097128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:14,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:14,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:14,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011981525] [2024-11-23 23:32:14,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:14,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:14,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:14,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:14,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:14,574 INFO L87 Difference]: Start difference. First operand 3513 states and 5301 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:32:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:32:18,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:18,937 INFO L93 Difference]: Finished difference Result 7016 states and 10589 transitions. [2024-11-23 23:32:18,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:18,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2024-11-23 23:32:18,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:18,978 INFO L225 Difference]: With dead ends: 7016 [2024-11-23 23:32:18,979 INFO L226 Difference]: Without dead ends: 3513 [2024-11-23 23:32:18,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:19,001 INFO L435 NwaCegarLoop]: 5296 mSDtfsCounter, 5291 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5291 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:19,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5291 Valid, 5296 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:32:19,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2024-11-23 23:32:19,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3513. [2024-11-23 23:32:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3513 states, 2683 states have (on average 1.428997390980246) internal successors, (3834), 2709 states have internal predecessors, (3834), 737 states have call successors, (737), 93 states have call predecessors, (737), 92 states have return successors, (729), 724 states have call predecessors, (729), 729 states have call successors, (729) [2024-11-23 23:32:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3513 states and 5300 transitions. [2024-11-23 23:32:19,694 INFO L78 Accepts]: Start accepts. Automaton has 3513 states and 5300 transitions. Word has length 43 [2024-11-23 23:32:19,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:19,695 INFO L471 AbstractCegarLoop]: Abstraction has 3513 states and 5300 transitions. [2024-11-23 23:32:19,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:32:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 5300 transitions. [2024-11-23 23:32:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 23:32:19,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:19,700 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:19,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:32:19,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:19,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:19,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1409312160, now seen corresponding path program 1 times [2024-11-23 23:32:19,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:19,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436595815] [2024-11-23 23:32:19,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:24,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:24,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436595815] [2024-11-23 23:32:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436595815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:32:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408052446] [2024-11-23 23:32:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:24,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:32:24,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:24,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:32:24,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:32:24,430 INFO L87 Difference]: Start difference. First operand 3513 states and 5300 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 23:32:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:24,978 INFO L93 Difference]: Finished difference Result 6990 states and 10549 transitions. [2024-11-23 23:32:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:32:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2024-11-23 23:32:24,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:25,019 INFO L225 Difference]: With dead ends: 6990 [2024-11-23 23:32:25,020 INFO L226 Difference]: Without dead ends: 3515 [2024-11-23 23:32:25,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:32:25,042 INFO L435 NwaCegarLoop]: 5298 mSDtfsCounter, 0 mSDsluCounter, 10580 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15878 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:25,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15878 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:32:25,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2024-11-23 23:32:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3515. [2024-11-23 23:32:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 2685 states have (on average 1.4286778398510243) internal successors, (3836), 2711 states have internal predecessors, (3836), 737 states have call successors, (737), 93 states have call predecessors, (737), 92 states have return successors, (729), 724 states have call predecessors, (729), 729 states have call successors, (729) [2024-11-23 23:32:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 5302 transitions. [2024-11-23 23:32:25,309 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 5302 transitions. Word has length 43 [2024-11-23 23:32:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:25,310 INFO L471 AbstractCegarLoop]: Abstraction has 3515 states and 5302 transitions. [2024-11-23 23:32:25,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 23:32:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 5302 transitions. [2024-11-23 23:32:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 23:32:25,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:25,315 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:25,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:32:25,315 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:25,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:25,316 INFO L85 PathProgramCache]: Analyzing trace with hash 813682716, now seen corresponding path program 1 times [2024-11-23 23:32:25,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:25,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363381060] [2024-11-23 23:32:25,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:25,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:32:28,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:28,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363381060] [2024-11-23 23:32:28,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363381060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:28,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:28,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:28,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808593000] [2024-11-23 23:32:28,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:28,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:28,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:28,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:28,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:28,726 INFO L87 Difference]: Start difference. First operand 3515 states and 5302 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:32,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:32:33,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:33,434 INFO L93 Difference]: Finished difference Result 3517 states and 5303 transitions. [2024-11-23 23:32:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:33,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-23 23:32:33,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:33,471 INFO L225 Difference]: With dead ends: 3517 [2024-11-23 23:32:33,471 INFO L226 Difference]: Without dead ends: 3514 [2024-11-23 23:32:33,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:33,477 INFO L435 NwaCegarLoop]: 5297 mSDtfsCounter, 5271 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 5297 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:33,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5271 Valid, 5297 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:32:33,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3514 states. [2024-11-23 23:32:33,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3514 to 3514. [2024-11-23 23:32:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3514 states, 2685 states have (on average 1.4283054003724396) internal successors, (3835), 2710 states have internal predecessors, (3835), 736 states have call successors, (736), 93 states have call predecessors, (736), 92 states have return successors, (729), 724 states have call predecessors, (729), 729 states have call successors, (729) [2024-11-23 23:32:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 5300 transitions. [2024-11-23 23:32:33,750 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 5300 transitions. Word has length 53 [2024-11-23 23:32:33,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:33,751 INFO L471 AbstractCegarLoop]: Abstraction has 3514 states and 5300 transitions. [2024-11-23 23:32:33,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 5300 transitions. [2024-11-23 23:32:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-23 23:32:33,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:33,753 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:33,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:32:33,753 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:33,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:33,754 INFO L85 PathProgramCache]: Analyzing trace with hash -549700046, now seen corresponding path program 1 times [2024-11-23 23:32:33,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:33,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257895967] [2024-11-23 23:32:33,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:33,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:32:36,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:36,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257895967] [2024-11-23 23:32:36,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257895967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:36,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:36,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:36,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469073696] [2024-11-23 23:32:36,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:36,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:36,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:36,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:36,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:36,922 INFO L87 Difference]: Start difference. First operand 3514 states and 5300 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:41,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:32:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:42,049 INFO L93 Difference]: Finished difference Result 10431 states and 15751 transitions. [2024-11-23 23:32:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:42,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-11-23 23:32:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:42,162 INFO L225 Difference]: With dead ends: 10431 [2024-11-23 23:32:42,162 INFO L226 Difference]: Without dead ends: 6959 [2024-11-23 23:32:42,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:42,192 INFO L435 NwaCegarLoop]: 7133 mSDtfsCounter, 5266 mSDsluCounter, 5196 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5266 SdHoareTripleChecker+Valid, 12329 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:42,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5266 Valid, 12329 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-23 23:32:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6959 states. [2024-11-23 23:32:42,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6959 to 6954. [2024-11-23 23:32:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 5324 states have (on average 1.4297520661157024) internal successors, (7612), 5369 states have internal predecessors, (7612), 1446 states have call successors, (1446), 185 states have call predecessors, (1446), 183 states have return successors, (1441), 1425 states have call predecessors, (1441), 1435 states have call successors, (1441) [2024-11-23 23:32:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 10499 transitions. [2024-11-23 23:32:43,017 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 10499 transitions. Word has length 54 [2024-11-23 23:32:43,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:43,017 INFO L471 AbstractCegarLoop]: Abstraction has 6954 states and 10499 transitions. [2024-11-23 23:32:43,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 10499 transitions. [2024-11-23 23:32:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-23 23:32:43,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:43,023 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:43,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:32:43,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:43,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash 135112159, now seen corresponding path program 1 times [2024-11-23 23:32:43,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:43,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478309845] [2024-11-23 23:32:43,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:43,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:32:46,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:46,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478309845] [2024-11-23 23:32:46,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478309845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:46,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:46,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:46,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622080400] [2024-11-23 23:32:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:46,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:46,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:46,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:46,064 INFO L87 Difference]: Start difference. First operand 6954 states and 10499 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:50,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:32:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:50,885 INFO L93 Difference]: Finished difference Result 6956 states and 10500 transitions. [2024-11-23 23:32:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:50,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-23 23:32:50,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:50,944 INFO L225 Difference]: With dead ends: 6956 [2024-11-23 23:32:50,944 INFO L226 Difference]: Without dead ends: 6953 [2024-11-23 23:32:50,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:50,952 INFO L435 NwaCegarLoop]: 5295 mSDtfsCounter, 5267 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5267 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:50,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5267 Valid, 5295 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:32:50,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2024-11-23 23:32:51,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6953. [2024-11-23 23:32:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 5324 states have (on average 1.4295642374154771) internal successors, (7611), 5368 states have internal predecessors, (7611), 1445 states have call successors, (1445), 185 states have call predecessors, (1445), 183 states have return successors, (1441), 1425 states have call predecessors, (1441), 1435 states have call successors, (1441) [2024-11-23 23:32:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 10497 transitions. [2024-11-23 23:32:51,488 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 10497 transitions. Word has length 55 [2024-11-23 23:32:51,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:32:51,489 INFO L471 AbstractCegarLoop]: Abstraction has 6953 states and 10497 transitions. [2024-11-23 23:32:51,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 10497 transitions. [2024-11-23 23:32:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-23 23:32:51,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:32:51,493 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:51,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:32:51,493 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:32:51,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:51,494 INFO L85 PathProgramCache]: Analyzing trace with hash -110541099, now seen corresponding path program 1 times [2024-11-23 23:32:51,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:51,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789417901] [2024-11-23 23:32:51,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:51,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:32:54,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:54,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789417901] [2024-11-23 23:32:54,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789417901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:54,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:54,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:32:54,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876547443] [2024-11-23 23:32:54,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:54,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:54,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:54,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:54,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:54,494 INFO L87 Difference]: Start difference. First operand 6953 states and 10497 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:32:58,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:32:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:32:59,597 INFO L93 Difference]: Finished difference Result 9691 states and 14414 transitions. [2024-11-23 23:32:59,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:59,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-23 23:32:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:32:59,679 INFO L225 Difference]: With dead ends: 9691 [2024-11-23 23:32:59,679 INFO L226 Difference]: Without dead ends: 9655 [2024-11-23 23:32:59,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:59,695 INFO L435 NwaCegarLoop]: 5298 mSDtfsCounter, 3118 mSDsluCounter, 4104 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 9402 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:32:59,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 9402 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:32:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9655 states. [2024-11-23 23:33:00,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9655 to 9649. [2024-11-23 23:33:00,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9649 states, 7299 states have (on average 1.4100561720783669) internal successors, (10292), 7357 states have internal predecessors, (10292), 2030 states have call successors, (2030), 321 states have call predecessors, (2030), 319 states have return successors, (2028), 2006 states have call predecessors, (2028), 2022 states have call successors, (2028) [2024-11-23 23:33:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9649 states to 9649 states and 14350 transitions. [2024-11-23 23:33:00,476 INFO L78 Accepts]: Start accepts. Automaton has 9649 states and 14350 transitions. Word has length 56 [2024-11-23 23:33:00,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:00,476 INFO L471 AbstractCegarLoop]: Abstraction has 9649 states and 14350 transitions. [2024-11-23 23:33:00,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:33:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 9649 states and 14350 transitions. [2024-11-23 23:33:00,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-23 23:33:00,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:00,483 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:00,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:33:00,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:00,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:00,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1864352145, now seen corresponding path program 1 times [2024-11-23 23:33:00,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:00,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308308515] [2024-11-23 23:33:00,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:00,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:33:04,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:04,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308308515] [2024-11-23 23:33:04,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308308515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:04,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:04,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:33:04,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011804885] [2024-11-23 23:33:04,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:04,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:04,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:04,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:04,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:04,211 INFO L87 Difference]: Start difference. First operand 9649 states and 14350 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-23 23:33:05,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:05,169 INFO L93 Difference]: Finished difference Result 20708 states and 30945 transitions. [2024-11-23 23:33:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:05,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 95 [2024-11-23 23:33:05,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:05,268 INFO L225 Difference]: With dead ends: 20708 [2024-11-23 23:33:05,268 INFO L226 Difference]: Without dead ends: 11112 [2024-11-23 23:33:05,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:05,328 INFO L435 NwaCegarLoop]: 5332 mSDtfsCounter, 1315 mSDsluCounter, 4781 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 10113 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:05,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 10113 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:33:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11112 states. [2024-11-23 23:33:06,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11112 to 10628. [2024-11-23 23:33:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10628 states, 8103 states have (on average 1.4168826360607183) internal successors, (11481), 8169 states have internal predecessors, (11481), 2205 states have call successors, (2205), 321 states have call predecessors, (2205), 319 states have return successors, (2205), 2178 states have call predecessors, (2205), 2197 states have call successors, (2205) [2024-11-23 23:33:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10628 states to 10628 states and 15891 transitions. [2024-11-23 23:33:06,112 INFO L78 Accepts]: Start accepts. Automaton has 10628 states and 15891 transitions. Word has length 95 [2024-11-23 23:33:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:06,112 INFO L471 AbstractCegarLoop]: Abstraction has 10628 states and 15891 transitions. [2024-11-23 23:33:06,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-23 23:33:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 10628 states and 15891 transitions. [2024-11-23 23:33:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:33:06,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:06,121 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:06,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:33:06,121 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:06,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:06,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1725003985, now seen corresponding path program 1 times [2024-11-23 23:33:06,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:06,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697425147] [2024-11-23 23:33:06,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:06,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:33:10,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:10,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697425147] [2024-11-23 23:33:10,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697425147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:10,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:10,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:33:10,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941067482] [2024-11-23 23:33:10,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:10,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:33:10,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:10,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:33:10,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:10,653 INFO L87 Difference]: Start difference. First operand 10628 states and 15891 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-23 23:33:11,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:11,785 INFO L93 Difference]: Finished difference Result 21195 states and 31704 transitions. [2024-11-23 23:33:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:33:11,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 99 [2024-11-23 23:33:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:11,892 INFO L225 Difference]: With dead ends: 21195 [2024-11-23 23:33:11,892 INFO L226 Difference]: Without dead ends: 10620 [2024-11-23 23:33:11,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:11,957 INFO L435 NwaCegarLoop]: 5286 mSDtfsCounter, 0 mSDsluCounter, 21137 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26423 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:11,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26423 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:33:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10620 states. [2024-11-23 23:33:12,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10620 to 10620. [2024-11-23 23:33:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10620 states, 8099 states have (on average 1.4168415853809113) internal successors, (11475), 8165 states have internal predecessors, (11475), 2201 states have call successors, (2201), 321 states have call predecessors, (2201), 319 states have return successors, (2201), 2174 states have call predecessors, (2201), 2193 states have call successors, (2201) [2024-11-23 23:33:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10620 states to 10620 states and 15877 transitions. [2024-11-23 23:33:13,057 INFO L78 Accepts]: Start accepts. Automaton has 10620 states and 15877 transitions. Word has length 99 [2024-11-23 23:33:13,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:13,059 INFO L471 AbstractCegarLoop]: Abstraction has 10620 states and 15877 transitions. [2024-11-23 23:33:13,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-23 23:33:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 10620 states and 15877 transitions. [2024-11-23 23:33:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:33:13,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:13,065 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:13,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:33:13,066 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:13,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:13,066 INFO L85 PathProgramCache]: Analyzing trace with hash -71947374, now seen corresponding path program 1 times [2024-11-23 23:33:13,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:13,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776424555] [2024-11-23 23:33:13,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:13,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:33:16,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:16,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776424555] [2024-11-23 23:33:16,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776424555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:16,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:16,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:33:16,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113590816] [2024-11-23 23:33:16,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:16,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:16,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:16,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:16,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:16,270 INFO L87 Difference]: Start difference. First operand 10620 states and 15877 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 23:33:20,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:33:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:21,172 INFO L93 Difference]: Finished difference Result 10628 states and 15883 transitions. [2024-11-23 23:33:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:21,173 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), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2024-11-23 23:33:21,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:21,245 INFO L225 Difference]: With dead ends: 10628 [2024-11-23 23:33:21,246 INFO L226 Difference]: Without dead ends: 10625 [2024-11-23 23:33:21,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:21,252 INFO L435 NwaCegarLoop]: 7145 mSDtfsCounter, 4092 mSDsluCounter, 3142 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4092 SdHoareTripleChecker+Valid, 10287 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:21,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4092 Valid, 10287 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:33:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10625 states. [2024-11-23 23:33:21,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10625 to 10619. [2024-11-23 23:33:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10619 states, 8099 states have (on average 1.4165946413137425) internal successors, (11473), 8164 states have internal predecessors, (11473), 2200 states have call successors, (2200), 321 states have call predecessors, (2200), 319 states have return successors, (2201), 2174 states have call predecessors, (2201), 2193 states have call successors, (2201) [2024-11-23 23:33:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10619 states to 10619 states and 15874 transitions. [2024-11-23 23:33:21,956 INFO L78 Accepts]: Start accepts. Automaton has 10619 states and 15874 transitions. Word has length 99 [2024-11-23 23:33:21,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:21,957 INFO L471 AbstractCegarLoop]: Abstraction has 10619 states and 15874 transitions. [2024-11-23 23:33:21,957 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), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 23:33:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 10619 states and 15874 transitions. [2024-11-23 23:33:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 23:33:21,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:21,964 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:21,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:33:21,964 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:21,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash 288996808, now seen corresponding path program 1 times [2024-11-23 23:33:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791100006] [2024-11-23 23:33:21,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:33:25,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:25,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791100006] [2024-11-23 23:33:25,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791100006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:25,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:25,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:33:25,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098414108] [2024-11-23 23:33:25,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:25,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:25,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:25,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:25,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:25,290 INFO L87 Difference]: Start difference. First operand 10619 states and 15874 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:33:29,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:33:30,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:30,558 INFO L93 Difference]: Finished difference Result 21187 states and 31683 transitions. [2024-11-23 23:33:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:30,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2024-11-23 23:33:30,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:30,636 INFO L225 Difference]: With dead ends: 21187 [2024-11-23 23:33:30,636 INFO L226 Difference]: Without dead ends: 10621 [2024-11-23 23:33:30,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:30,685 INFO L435 NwaCegarLoop]: 9428 mSDtfsCounter, 5174 mSDsluCounter, 5227 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 14655 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:30,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5174 Valid, 14655 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:33:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10621 states. [2024-11-23 23:33:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10621 to 10607. [2024-11-23 23:33:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10607 states, 8093 states have (on average 1.4164092425552948) internal successors, (11463), 8158 states have internal predecessors, (11463), 2194 states have call successors, (2194), 320 states have call predecessors, (2194), 319 states have return successors, (2188), 2169 states have call predecessors, (2188), 2184 states have call successors, (2188) [2024-11-23 23:33:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10607 states to 10607 states and 15845 transitions. [2024-11-23 23:33:31,430 INFO L78 Accepts]: Start accepts. Automaton has 10607 states and 15845 transitions. Word has length 108 [2024-11-23 23:33:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:31,430 INFO L471 AbstractCegarLoop]: Abstraction has 10607 states and 15845 transitions. [2024-11-23 23:33:31,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:33:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 10607 states and 15845 transitions. [2024-11-23 23:33:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 23:33:31,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:31,436 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:31,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:33:31,436 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:31,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:31,436 INFO L85 PathProgramCache]: Analyzing trace with hash -119827417, now seen corresponding path program 1 times [2024-11-23 23:33:31,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:31,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170643333] [2024-11-23 23:33:31,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:33:36,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:36,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170643333] [2024-11-23 23:33:36,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170643333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:36,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:36,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:33:36,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001841299] [2024-11-23 23:33:36,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:36,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:33:36,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:36,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:33:36,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:36,012 INFO L87 Difference]: Start difference. First operand 10607 states and 15845 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:33:37,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:37,318 INFO L93 Difference]: Finished difference Result 11490 states and 17106 transitions. [2024-11-23 23:33:37,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:33:37,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2024-11-23 23:33:37,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:37,408 INFO L225 Difference]: With dead ends: 11490 [2024-11-23 23:33:37,409 INFO L226 Difference]: Without dead ends: 9353 [2024-11-23 23:33:37,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:37,433 INFO L435 NwaCegarLoop]: 5290 mSDtfsCounter, 0 mSDsluCounter, 21146 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26436 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:37,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26436 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:33:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9353 states. [2024-11-23 23:33:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9353 to 9353. [2024-11-23 23:33:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9353 states, 7081 states have (on average 1.4061573224120887) internal successors, (9957), 7142 states have internal predecessors, (9957), 1973 states have call successors, (1973), 299 states have call predecessors, (1973), 298 states have return successors, (1969), 1951 states have call predecessors, (1969), 1965 states have call successors, (1969) [2024-11-23 23:33:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9353 states to 9353 states and 13899 transitions. [2024-11-23 23:33:38,422 INFO L78 Accepts]: Start accepts. Automaton has 9353 states and 13899 transitions. Word has length 108 [2024-11-23 23:33:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:38,423 INFO L471 AbstractCegarLoop]: Abstraction has 9353 states and 13899 transitions. [2024-11-23 23:33:38,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:33:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 9353 states and 13899 transitions. [2024-11-23 23:33:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-23 23:33:38,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:38,445 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-23 23:33:38,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:33:38,445 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:38,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash 111239335, now seen corresponding path program 1 times [2024-11-23 23:33:38,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:38,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628272362] [2024-11-23 23:33:38,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:33:42,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:42,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628272362] [2024-11-23 23:33:42,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628272362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:42,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:42,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:33:42,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338980185] [2024-11-23 23:33:42,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:42,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:33:42,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:42,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:33:42,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:42,540 INFO L87 Difference]: Start difference. First operand 9353 states and 13899 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 4 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:33:43,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:43,473 INFO L93 Difference]: Finished difference Result 18667 states and 27753 transitions. [2024-11-23 23:33:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:33:43,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 4 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 159 [2024-11-23 23:33:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:43,547 INFO L225 Difference]: With dead ends: 18667 [2024-11-23 23:33:43,547 INFO L226 Difference]: Without dead ends: 9350 [2024-11-23 23:33:43,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:43,598 INFO L435 NwaCegarLoop]: 5283 mSDtfsCounter, 0 mSDsluCounter, 21117 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26400 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:43,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26400 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:33:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9350 states. [2024-11-23 23:33:44,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9350 to 9350. [2024-11-23 23:33:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9350 states, 7080 states have (on average 1.405367231638418) internal successors, (9950), 7141 states have internal predecessors, (9950), 1971 states have call successors, (1971), 299 states have call predecessors, (1971), 298 states have return successors, (1967), 1949 states have call predecessors, (1967), 1963 states have call successors, (1967) [2024-11-23 23:33:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9350 states to 9350 states and 13888 transitions. [2024-11-23 23:33:44,486 INFO L78 Accepts]: Start accepts. Automaton has 9350 states and 13888 transitions. Word has length 159 [2024-11-23 23:33:44,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:44,487 INFO L471 AbstractCegarLoop]: Abstraction has 9350 states and 13888 transitions. [2024-11-23 23:33:44,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 4 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:33:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 9350 states and 13888 transitions. [2024-11-23 23:33:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-23 23:33:44,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:44,530 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-23 23:33:44,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:33:44,531 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:44,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:44,531 INFO L85 PathProgramCache]: Analyzing trace with hash -300925186, now seen corresponding path program 1 times [2024-11-23 23:33:44,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:44,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518957499] [2024-11-23 23:33:44,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:44,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-23 23:33:48,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:48,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518957499] [2024-11-23 23:33:48,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518957499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:48,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:48,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:33:48,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671694444] [2024-11-23 23:33:48,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:48,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:33:48,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:48,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:33:48,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:33:48,004 INFO L87 Difference]: Start difference. First operand 9350 states and 13888 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 23:33:48,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:48,702 INFO L93 Difference]: Finished difference Result 18651 states and 27716 transitions. [2024-11-23 23:33:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:33:48,702 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 216 [2024-11-23 23:33:48,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:48,779 INFO L225 Difference]: With dead ends: 18651 [2024-11-23 23:33:48,779 INFO L226 Difference]: Without dead ends: 9354 [2024-11-23 23:33:48,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:33:48,826 INFO L435 NwaCegarLoop]: 5285 mSDtfsCounter, 0 mSDsluCounter, 10561 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15846 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:48,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15846 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:33:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2024-11-23 23:33:49,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 9354. [2024-11-23 23:33:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9354 states, 7084 states have (on average 1.4051383399209487) internal successors, (9954), 7145 states have internal predecessors, (9954), 1971 states have call successors, (1971), 299 states have call predecessors, (1971), 298 states have return successors, (1967), 1949 states have call predecessors, (1967), 1963 states have call successors, (1967) [2024-11-23 23:33:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9354 states to 9354 states and 13892 transitions. [2024-11-23 23:33:49,612 INFO L78 Accepts]: Start accepts. Automaton has 9354 states and 13892 transitions. Word has length 216 [2024-11-23 23:33:49,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:49,615 INFO L471 AbstractCegarLoop]: Abstraction has 9354 states and 13892 transitions. [2024-11-23 23:33:49,615 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 23:33:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9354 states and 13892 transitions. [2024-11-23 23:33:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-23 23:33:49,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:49,650 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-23 23:33:49,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:33:49,650 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:49,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:49,651 INFO L85 PathProgramCache]: Analyzing trace with hash -766217325, now seen corresponding path program 1 times [2024-11-23 23:33:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:49,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309923251] [2024-11-23 23:33:49,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-23 23:33:53,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:53,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309923251] [2024-11-23 23:33:53,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309923251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:53,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:53,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:33:53,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851038742] [2024-11-23 23:33:53,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:53,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:33:53,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:53,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:33:53,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:33:53,840 INFO L87 Difference]: Start difference. First operand 9354 states and 13892 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 5 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-23 23:33:54,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:54,709 INFO L93 Difference]: Finished difference Result 18687 states and 27765 transitions. [2024-11-23 23:33:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:33:54,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 5 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 217 [2024-11-23 23:33:54,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:54,779 INFO L225 Difference]: With dead ends: 18687 [2024-11-23 23:33:54,780 INFO L226 Difference]: Without dead ends: 9366 [2024-11-23 23:33:54,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:33:54,943 INFO L435 NwaCegarLoop]: 5282 mSDtfsCounter, 2 mSDsluCounter, 26391 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 31673 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:54,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 31673 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:33:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9366 states. [2024-11-23 23:33:55,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9366 to 9357. [2024-11-23 23:33:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9357 states, 7086 states have (on average 1.404600620942704) internal successors, (9953), 7147 states have internal predecessors, (9953), 1972 states have call successors, (1972), 299 states have call predecessors, (1972), 298 states have return successors, (1968), 1950 states have call predecessors, (1968), 1964 states have call successors, (1968) [2024-11-23 23:33:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9357 states to 9357 states and 13893 transitions. [2024-11-23 23:33:55,840 INFO L78 Accepts]: Start accepts. Automaton has 9357 states and 13893 transitions. Word has length 217 [2024-11-23 23:33:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:55,841 INFO L471 AbstractCegarLoop]: Abstraction has 9357 states and 13893 transitions. [2024-11-23 23:33:55,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 5 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-23 23:33:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9357 states and 13893 transitions. [2024-11-23 23:33:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-23 23:33:55,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:55,903 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-23 23:33:55,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:33:55,903 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:55,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:55,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1406311798, now seen corresponding path program 1 times [2024-11-23 23:33:55,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:55,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460394988] [2024-11-23 23:33:55,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-23 23:33:59,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:59,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460394988] [2024-11-23 23:33:59,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460394988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:59,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:59,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:33:59,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36708533] [2024-11-23 23:33:59,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:59,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:59,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:59,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:59,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:59,369 INFO L87 Difference]: Start difference. First operand 9357 states and 13893 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 23:34:00,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:00,218 INFO L93 Difference]: Finished difference Result 18989 states and 28229 transitions. [2024-11-23 23:34:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:34:00,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 285 [2024-11-23 23:34:00,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:00,272 INFO L225 Difference]: With dead ends: 18989 [2024-11-23 23:34:00,272 INFO L226 Difference]: Without dead ends: 9685 [2024-11-23 23:34:00,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:34:00,306 INFO L435 NwaCegarLoop]: 5469 mSDtfsCounter, 163 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 10768 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 [2024-11-23 23:34:00,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 10768 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:34:00,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2024-11-23 23:34:00,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 9365. [2024-11-23 23:34:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9365 states, 7094 states have (on average 1.4041443473357766) internal successors, (9961), 7155 states have internal predecessors, (9961), 1972 states have call successors, (1972), 299 states have call predecessors, (1972), 298 states have return successors, (1968), 1950 states have call predecessors, (1968), 1964 states have call successors, (1968) [2024-11-23 23:34:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 13901 transitions. [2024-11-23 23:34:00,873 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 13901 transitions. Word has length 285 [2024-11-23 23:34:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:00,874 INFO L471 AbstractCegarLoop]: Abstraction has 9365 states and 13901 transitions. [2024-11-23 23:34:00,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 23:34:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 13901 transitions. [2024-11-23 23:34:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-23 23:34:00,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:00,912 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-23 23:34:00,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:34:00,913 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:00,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:00,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1845630354, now seen corresponding path program 1 times [2024-11-23 23:34:00,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:34:00,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258735741] [2024-11-23 23:34:00,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:00,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:34:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-23 23:34:04,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:34:04,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258735741] [2024-11-23 23:34:04,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258735741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:34:04,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413704513] [2024-11-23 23:34:04,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:34:04,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:34:04,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:34:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:34:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:10,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 4629 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:34:10,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:34:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-23 23:34:11,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:34:11,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413704513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:34:11,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:34:11,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:34:11,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006515022] [2024-11-23 23:34:11,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:34:11,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:34:11,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:34:11,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:34:11,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:34:11,032 INFO L87 Difference]: Start difference. First operand 9365 states and 13901 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 23:34:11,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:11,553 INFO L93 Difference]: Finished difference Result 18677 states and 28222 transitions. [2024-11-23 23:34:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:34:11,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 287 [2024-11-23 23:34:11,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:11,615 INFO L225 Difference]: With dead ends: 18677 [2024-11-23 23:34:11,615 INFO L226 Difference]: Without dead ends: 9365 [2024-11-23 23:34:11,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:34:11,658 INFO L435 NwaCegarLoop]: 5281 mSDtfsCounter, 0 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10556 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 [2024-11-23 23:34:11,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10556 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:34:11,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9365 states. [2024-11-23 23:34:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9365 to 9365. [2024-11-23 23:34:12,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9365 states, 7094 states have (on average 1.4024527769946433) internal successors, (9949), 7155 states have internal predecessors, (9949), 1972 states have call successors, (1972), 299 states have call predecessors, (1972), 298 states have return successors, (1968), 1950 states have call predecessors, (1968), 1964 states have call successors, (1968) [2024-11-23 23:34:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 13889 transitions. [2024-11-23 23:34:12,156 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 13889 transitions. Word has length 287 [2024-11-23 23:34:12,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:12,156 INFO L471 AbstractCegarLoop]: Abstraction has 9365 states and 13889 transitions. [2024-11-23 23:34:12,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 23:34:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 13889 transitions. [2024-11-23 23:34:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-23 23:34:12,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:12,190 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-23 23:34:12,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:34:12,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 23:34:12,390 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:12,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:12,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1312727081, now seen corresponding path program 1 times [2024-11-23 23:34:12,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:34:12,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715578469] [2024-11-23 23:34:12,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:12,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:34:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 23:34:15,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:34:15,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715578469] [2024-11-23 23:34:15,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715578469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:34:15,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754481507] [2024-11-23 23:34:15,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:15,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:34:15,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:34:15,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:34:15,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:34:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:22,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 4777 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:34:22,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:34:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 23:34:22,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:34:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 23:34:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754481507] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:34:24,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:34:24,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:34:24,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867284473] [2024-11-23 23:34:24,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:34:24,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:34:24,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:34:24,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:34:24,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:34:24,224 INFO L87 Difference]: Start difference. First operand 9365 states and 13889 transitions. Second operand has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 7 states have internal predecessors, (254), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-23 23:34:28,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:28,006 INFO L93 Difference]: Finished difference Result 19977 states and 29728 transitions. [2024-11-23 23:34:28,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:34:28,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 7 states have internal predecessors, (254), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 284 [2024-11-23 23:34:28,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:28,080 INFO L225 Difference]: With dead ends: 19977 [2024-11-23 23:34:28,080 INFO L226 Difference]: Without dead ends: 10665 [2024-11-23 23:34:28,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:34:28,125 INFO L435 NwaCegarLoop]: 5466 mSDtfsCounter, 1136 mSDsluCounter, 11022 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 16488 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:34:28,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 16488 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-23 23:34:28,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10665 states. [2024-11-23 23:34:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10665 to 9557. [2024-11-23 23:34:28,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9557 states, 7262 states have (on average 1.4022307904158633) internal successors, (10183), 7323 states have internal predecessors, (10183), 1996 states have call successors, (1996), 299 states have call predecessors, (1996), 298 states have return successors, (1992), 1974 states have call predecessors, (1992), 1988 states have call successors, (1992) [2024-11-23 23:34:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9557 states to 9557 states and 14171 transitions. [2024-11-23 23:34:28,594 INFO L78 Accepts]: Start accepts. Automaton has 9557 states and 14171 transitions. Word has length 284 [2024-11-23 23:34:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:28,595 INFO L471 AbstractCegarLoop]: Abstraction has 9557 states and 14171 transitions. [2024-11-23 23:34:28,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 7 states have internal predecessors, (254), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-23 23:34:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 9557 states and 14171 transitions. [2024-11-23 23:34:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-23 23:34:28,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:28,618 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-23 23:34:28,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:34:28,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:34:28,818 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:28,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:28,819 INFO L85 PathProgramCache]: Analyzing trace with hash 540770901, now seen corresponding path program 2 times [2024-11-23 23:34:28,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:34:28,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691508839] [2024-11-23 23:34:28,819 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:34:28,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:34:31,458 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:34:31,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:34:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-23 23:34:32,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:34:32,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691508839] [2024-11-23 23:34:32,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691508839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:34:32,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:34:32,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:34:32,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289133865] [2024-11-23 23:34:32,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:34:32,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:34:32,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:34:32,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:34:32,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:34:32,219 INFO L87 Difference]: Start difference. First operand 9557 states and 14171 transitions. Second operand has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 23:34:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:32,937 INFO L93 Difference]: Finished difference Result 10719 states and 15850 transitions. [2024-11-23 23:34:32,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:34:32,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 290 [2024-11-23 23:34:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:32,991 INFO L225 Difference]: With dead ends: 10719 [2024-11-23 23:34:32,991 INFO L226 Difference]: Without dead ends: 9453 [2024-11-23 23:34:33,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:34:33,002 INFO L435 NwaCegarLoop]: 5288 mSDtfsCounter, 0 mSDsluCounter, 21137 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26425 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 [2024-11-23 23:34:33,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26425 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:34:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9453 states. [2024-11-23 23:34:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9453 to 9453. [2024-11-23 23:34:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9453 states, 7177 states have (on average 1.400585202730946) internal successors, (10052), 7237 states have internal predecessors, (10052), 1978 states have call successors, (1978), 298 states have call predecessors, (1978), 297 states have return successors, (1975), 1957 states have call predecessors, (1975), 1971 states have call successors, (1975) [2024-11-23 23:34:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9453 states to 9453 states and 14005 transitions. [2024-11-23 23:34:33,414 INFO L78 Accepts]: Start accepts. Automaton has 9453 states and 14005 transitions. Word has length 290 [2024-11-23 23:34:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:33,415 INFO L471 AbstractCegarLoop]: Abstraction has 9453 states and 14005 transitions. [2024-11-23 23:34:33,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 23:34:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 9453 states and 14005 transitions. [2024-11-23 23:34:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-23 23:34:33,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:33,443 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-23 23:34:33,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:34:33,443 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:33,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:33,444 INFO L85 PathProgramCache]: Analyzing trace with hash 171739915, now seen corresponding path program 1 times [2024-11-23 23:34:33,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:34:33,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904479037] [2024-11-23 23:34:33,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:33,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:34:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-23 23:34:37,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:34:37,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904479037] [2024-11-23 23:34:37,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904479037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:34:37,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:34:37,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:34:37,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269557917] [2024-11-23 23:34:37,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:34:37,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:34:37,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:34:37,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:34:37,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:34:37,049 INFO L87 Difference]: Start difference. First operand 9453 states and 14005 transitions. Second operand has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-23 23:34:40,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:40,680 INFO L93 Difference]: Finished difference Result 19119 states and 29095 transitions. [2024-11-23 23:34:40,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:34:40,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 291 [2024-11-23 23:34:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:40,750 INFO L225 Difference]: With dead ends: 19119 [2024-11-23 23:34:40,750 INFO L226 Difference]: Without dead ends: 9593 [2024-11-23 23:34:40,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:34:40,811 INFO L435 NwaCegarLoop]: 5279 mSDtfsCounter, 176 mSDsluCounter, 20865 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 26144 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:34:40,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 26144 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-23 23:34:40,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9593 states. [2024-11-23 23:34:41,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9593 to 9573. [2024-11-23 23:34:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9573 states, 7277 states have (on average 1.3986532911914251) internal successors, (10178), 7341 states have internal predecessors, (10178), 1996 states have call successors, (1996), 298 states have call predecessors, (1996), 299 states have return successors, (1995), 1975 states have call predecessors, (1995), 1989 states have call successors, (1995) [2024-11-23 23:34:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9573 states to 9573 states and 14169 transitions. [2024-11-23 23:34:41,367 INFO L78 Accepts]: Start accepts. Automaton has 9573 states and 14169 transitions. Word has length 291 [2024-11-23 23:34:41,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:41,368 INFO L471 AbstractCegarLoop]: Abstraction has 9573 states and 14169 transitions. [2024-11-23 23:34:41,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-23 23:34:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 9573 states and 14169 transitions. [2024-11-23 23:34:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-23 23:34:41,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:41,398 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-23 23:34:41,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 23:34:41,399 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:41,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:41,399 INFO L85 PathProgramCache]: Analyzing trace with hash 643096265, now seen corresponding path program 1 times [2024-11-23 23:34:41,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:34:41,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719514477] [2024-11-23 23:34:41,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:41,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:34:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-23 23:34:45,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:34:45,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719514477] [2024-11-23 23:34:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719514477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:34:45,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:34:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:34:45,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162231942] [2024-11-23 23:34:45,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:34:45,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:34:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:34:45,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:34:45,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:34:45,205 INFO L87 Difference]: Start difference. First operand 9573 states and 14169 transitions. Second operand has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-23 23:34:46,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:46,926 INFO L93 Difference]: Finished difference Result 19539 states and 29394 transitions. [2024-11-23 23:34:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:34:46,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 291 [2024-11-23 23:34:46,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:46,983 INFO L225 Difference]: With dead ends: 19539 [2024-11-23 23:34:46,983 INFO L226 Difference]: Without dead ends: 9837 [2024-11-23 23:34:47,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:34:47,036 INFO L435 NwaCegarLoop]: 5328 mSDtfsCounter, 73 mSDsluCounter, 21129 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 26457 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:34:47,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 26457 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:34:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9837 states. [2024-11-23 23:34:47,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9837 to 9709. [2024-11-23 23:34:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9709 states, 7389 states have (on average 1.3974827446203817) internal successors, (10326), 7455 states have internal predecessors, (10326), 2020 states have call successors, (2020), 298 states have call predecessors, (2020), 299 states have return successors, (2019), 1999 states have call predecessors, (2019), 2013 states have call successors, (2019) [2024-11-23 23:34:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9709 states to 9709 states and 14365 transitions. [2024-11-23 23:34:47,697 INFO L78 Accepts]: Start accepts. Automaton has 9709 states and 14365 transitions. Word has length 291 [2024-11-23 23:34:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:47,698 INFO L471 AbstractCegarLoop]: Abstraction has 9709 states and 14365 transitions. [2024-11-23 23:34:47,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-23 23:34:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 9709 states and 14365 transitions. [2024-11-23 23:34:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-23 23:34:47,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:47,730 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-23 23:34:47,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 23:34:47,731 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:47,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:47,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1722938805, now seen corresponding path program 1 times [2024-11-23 23:34:47,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:34:47,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886705174] [2024-11-23 23:34:47,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:47,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:34:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-23 23:34:51,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:34:51,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886705174] [2024-11-23 23:34:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886705174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:34:51,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980695346] [2024-11-23 23:34:51,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:51,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:34:51,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:34:51,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:34:51,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:34:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:58,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 4816 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:34:58,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-23 23:35:00,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-23 23:35:04,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980695346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:35:04,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:35:04,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-23 23:35:04,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785703016] [2024-11-23 23:35:04,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:04,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:35:04,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:04,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:35:04,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:04,780 INFO L87 Difference]: Start difference. First operand 9709 states and 14365 transitions. Second operand has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 states have internal predecessors, (281), 4 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2024-11-23 23:35:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:09,363 INFO L93 Difference]: Finished difference Result 21418 states and 31895 transitions. [2024-11-23 23:35:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:35:09,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 states have internal predecessors, (281), 4 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 291 [2024-11-23 23:35:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:09,417 INFO L225 Difference]: With dead ends: 21418 [2024-11-23 23:35:09,417 INFO L226 Difference]: Without dead ends: 11762 [2024-11-23 23:35:09,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 579 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:09,453 INFO L435 NwaCegarLoop]: 5322 mSDtfsCounter, 4513 mSDsluCounter, 10288 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4983 SdHoareTripleChecker+Valid, 15610 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:35:09,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4983 Valid, 15610 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-23 23:35:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2024-11-23 23:35:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 11639. [2024-11-23 23:35:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11639 states, 8985 states have (on average 1.4127991096271564) internal successors, (12694), 9065 states have internal predecessors, (12694), 2354 states have call successors, (2354), 298 states have call predecessors, (2354), 299 states have return successors, (2355), 2329 states have call predecessors, (2355), 2347 states have call successors, (2355) [2024-11-23 23:35:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11639 states to 11639 states and 17403 transitions. [2024-11-23 23:35:09,942 INFO L78 Accepts]: Start accepts. Automaton has 11639 states and 17403 transitions. Word has length 291 [2024-11-23 23:35:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:09,943 INFO L471 AbstractCegarLoop]: Abstraction has 11639 states and 17403 transitions. [2024-11-23 23:35:09,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 states have internal predecessors, (281), 4 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2024-11-23 23:35:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 11639 states and 17403 transitions. [2024-11-23 23:35:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-23 23:35:09,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:35:09,965 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:09,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:35:10,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff4cca5-7ebc-4435-a9cf-47e5772b5afb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:10,165 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:35:10,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:10,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2036960431, now seen corresponding path program 1 times [2024-11-23 23:35:10,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:10,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999748109] [2024-11-23 23:35:10,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-23 23:35:13,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:13,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999748109] [2024-11-23 23:35:13,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999748109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:13,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:13,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:35:13,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073764227] [2024-11-23 23:35:13,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:13,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:35:13,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:13,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:35:13,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:13,934 INFO L87 Difference]: Start difference. First operand 11639 states and 17403 transitions. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 23:35:14,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:14,560 INFO L93 Difference]: Finished difference Result 15761 states and 23473 transitions. [2024-11-23 23:35:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:35:14,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 309 [2024-11-23 23:35:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:14,621 INFO L225 Difference]: With dead ends: 15761 [2024-11-23 23:35:14,621 INFO L226 Difference]: Without dead ends: 11636 [2024-11-23 23:35:14,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:14,650 INFO L435 NwaCegarLoop]: 5280 mSDtfsCounter, 0 mSDsluCounter, 21113 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26393 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:35:14,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26393 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:35:14,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11636 states. [2024-11-23 23:35:15,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11636 to 11636. [2024-11-23 23:35:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11636 states, 8983 states have (on average 1.4126683735945675) internal successors, (12690), 9063 states have internal predecessors, (12690), 2353 states have call successors, (2353), 298 states have call predecessors, (2353), 299 states have return successors, (2354), 2328 states have call predecessors, (2354), 2346 states have call successors, (2354) [2024-11-23 23:35:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11636 states to 11636 states and 17397 transitions. [2024-11-23 23:35:15,330 INFO L78 Accepts]: Start accepts. Automaton has 11636 states and 17397 transitions. Word has length 309 [2024-11-23 23:35:15,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:15,330 INFO L471 AbstractCegarLoop]: Abstraction has 11636 states and 17397 transitions. [2024-11-23 23:35:15,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 5 states have internal predecessors, (192), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-23 23:35:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 11636 states and 17397 transitions. [2024-11-23 23:35:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-23 23:35:15,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:35:15,355 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:15,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 23:35:15,355 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:35:15,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:15,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1312061293, now seen corresponding path program 1 times [2024-11-23 23:35:15,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:15,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715452006] [2024-11-23 23:35:15,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-23 23:35:18,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:18,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715452006] [2024-11-23 23:35:18,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715452006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:18,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:18,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:35:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225997973] [2024-11-23 23:35:18,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:18,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:35:18,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:18,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:35:18,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:35:18,641 INFO L87 Difference]: Start difference. First operand 11636 states and 17397 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 23:35:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:19,324 INFO L93 Difference]: Finished difference Result 23222 states and 34732 transitions. [2024-11-23 23:35:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:35:19,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 329 [2024-11-23 23:35:19,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:19,397 INFO L225 Difference]: With dead ends: 23222 [2024-11-23 23:35:19,398 INFO L226 Difference]: Without dead ends: 11633 [2024-11-23 23:35:19,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:35:19,448 INFO L435 NwaCegarLoop]: 5282 mSDtfsCounter, 0 mSDsluCounter, 10559 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15841 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:35:19,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15841 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:35:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11633 states. [2024-11-23 23:35:20,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11633 to 11633. [2024-11-23 23:35:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11633 states, 8980 states have (on average 1.412806236080178) internal successors, (12687), 9061 states have internal predecessors, (12687), 2353 states have call successors, (2353), 298 states have call predecessors, (2353), 299 states have return successors, (2353), 2327 states have call predecessors, (2353), 2346 states have call successors, (2353) [2024-11-23 23:35:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11633 states to 11633 states and 17393 transitions. [2024-11-23 23:35:20,310 INFO L78 Accepts]: Start accepts. Automaton has 11633 states and 17393 transitions. Word has length 329 [2024-11-23 23:35:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:20,311 INFO L471 AbstractCegarLoop]: Abstraction has 11633 states and 17393 transitions. [2024-11-23 23:35:20,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 23:35:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 11633 states and 17393 transitions. [2024-11-23 23:35:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-23 23:35:20,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:35:20,376 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:20,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 23:35:20,376 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:35:20,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash -408552225, now seen corresponding path program 1 times [2024-11-23 23:35:20,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:20,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943608998] [2024-11-23 23:35:20,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:20,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-23 23:35:24,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:24,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943608998] [2024-11-23 23:35:24,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943608998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:24,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:24,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:35:24,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673183535] [2024-11-23 23:35:24,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:24,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:35:24,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:24,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:35:24,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:24,051 INFO L87 Difference]: Start difference. First operand 11633 states and 17393 transitions. Second operand has 5 states, 5 states have (on average 42.4) internal successors, (212), 5 states have internal predecessors, (212), 4 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-23 23:35:24,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:24,744 INFO L93 Difference]: Finished difference Result 23224 states and 34736 transitions. [2024-11-23 23:35:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:35:24,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 5 states have internal predecessors, (212), 4 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 349 [2024-11-23 23:35:24,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:24,809 INFO L225 Difference]: With dead ends: 23224 [2024-11-23 23:35:24,810 INFO L226 Difference]: Without dead ends: 11633 [2024-11-23 23:35:24,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:24,855 INFO L435 NwaCegarLoop]: 5280 mSDtfsCounter, 2 mSDsluCounter, 15820 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21100 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:35:24,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21100 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:35:24,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11633 states. [2024-11-23 23:35:25,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11633 to 11633. [2024-11-23 23:35:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11633 states, 8980 states have (on average 1.4120267260579065) internal successors, (12680), 9061 states have internal predecessors, (12680), 2353 states have call successors, (2353), 298 states have call predecessors, (2353), 299 states have return successors, (2353), 2327 states have call predecessors, (2353), 2346 states have call successors, (2353) [2024-11-23 23:35:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11633 states to 11633 states and 17386 transitions. [2024-11-23 23:35:25,350 INFO L78 Accepts]: Start accepts. Automaton has 11633 states and 17386 transitions. Word has length 349 [2024-11-23 23:35:25,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:25,350 INFO L471 AbstractCegarLoop]: Abstraction has 11633 states and 17386 transitions. [2024-11-23 23:35:25,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 5 states have internal predecessors, (212), 4 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-23 23:35:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 11633 states and 17386 transitions. [2024-11-23 23:35:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-23 23:35:25,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:35:25,379 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:25,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 23:35:25,379 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:35:25,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:25,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1791176952, now seen corresponding path program 1 times [2024-11-23 23:35:25,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:25,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695892470] [2024-11-23 23:35:25,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:25,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-23 23:35:28,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:28,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695892470] [2024-11-23 23:35:28,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695892470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:28,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:28,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:35:28,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139400878] [2024-11-23 23:35:28,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:28,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:35:28,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:28,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:35:28,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:28,986 INFO L87 Difference]: Start difference. First operand 11633 states and 17386 transitions. Second operand has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 4 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-23 23:35:29,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:29,665 INFO L93 Difference]: Finished difference Result 23224 states and 34722 transitions. [2024-11-23 23:35:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:35:29,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 4 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 351 [2024-11-23 23:35:29,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:29,735 INFO L225 Difference]: With dead ends: 23224 [2024-11-23 23:35:29,736 INFO L226 Difference]: Without dead ends: 11632 [2024-11-23 23:35:29,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:29,780 INFO L435 NwaCegarLoop]: 5273 mSDtfsCounter, 2 mSDsluCounter, 15806 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21079 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:35:29,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21079 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:35:29,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11632 states. [2024-11-23 23:35:30,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11632 to 11632. [2024-11-23 23:35:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11632 states, 8979 states have (on average 1.4117385009466532) internal successors, (12676), 9060 states have internal predecessors, (12676), 2353 states have call successors, (2353), 298 states have call predecessors, (2353), 299 states have return successors, (2353), 2327 states have call predecessors, (2353), 2346 states have call successors, (2353) [2024-11-23 23:35:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11632 states to 11632 states and 17382 transitions. [2024-11-23 23:35:30,431 INFO L78 Accepts]: Start accepts. Automaton has 11632 states and 17382 transitions. Word has length 351 [2024-11-23 23:35:30,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:30,431 INFO L471 AbstractCegarLoop]: Abstraction has 11632 states and 17382 transitions. [2024-11-23 23:35:30,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 4 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-23 23:35:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 11632 states and 17382 transitions. [2024-11-23 23:35:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-23 23:35:30,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:35:30,461 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:30,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 23:35:30,462 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:35:30,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:30,462 INFO L85 PathProgramCache]: Analyzing trace with hash -131762548, now seen corresponding path program 1 times [2024-11-23 23:35:30,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:30,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187994252] [2024-11-23 23:35:30,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:30,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 23:35:34,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:34,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187994252] [2024-11-23 23:35:34,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187994252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:34,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:34,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:35:34,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450127613] [2024-11-23 23:35:34,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:34,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:35:34,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:34,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:35:34,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:34,806 INFO L87 Difference]: Start difference. First operand 11632 states and 17382 transitions. Second operand has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 5 states have internal predecessors, (220), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-23 23:35:35,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:35,676 INFO L93 Difference]: Finished difference Result 13012 states and 19384 transitions. [2024-11-23 23:35:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:35:35,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 5 states have internal predecessors, (220), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 362 [2024-11-23 23:35:35,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:35,729 INFO L225 Difference]: With dead ends: 13012 [2024-11-23 23:35:35,729 INFO L226 Difference]: Without dead ends: 11218 [2024-11-23 23:35:35,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:35,741 INFO L435 NwaCegarLoop]: 5272 mSDtfsCounter, 0 mSDsluCounter, 21073 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26345 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 [2024-11-23 23:35:35,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26345 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:35:35,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11218 states. [2024-11-23 23:35:36,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11218 to 11218. [2024-11-23 23:35:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11218 states, 8651 states have (on average 1.411050745578546) internal successors, (12207), 8728 states have internal predecessors, (12207), 2275 states have call successors, (2275), 290 states have call predecessors, (2275), 291 states have return successors, (2276), 2251 states have call predecessors, (2276), 2270 states have call successors, (2276) [2024-11-23 23:35:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11218 states to 11218 states and 16758 transitions. [2024-11-23 23:35:36,215 INFO L78 Accepts]: Start accepts. Automaton has 11218 states and 16758 transitions. Word has length 362 [2024-11-23 23:35:36,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:36,216 INFO L471 AbstractCegarLoop]: Abstraction has 11218 states and 16758 transitions. [2024-11-23 23:35:36,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 5 states have internal predecessors, (220), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-23 23:35:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 11218 states and 16758 transitions. [2024-11-23 23:35:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-23 23:35:36,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:35:36,246 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:36,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 23:35:36,246 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:35:36,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash 348202095, now seen corresponding path program 1 times [2024-11-23 23:35:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:36,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446016121] [2024-11-23 23:35:36,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:36,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-23 23:35:40,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:40,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446016121] [2024-11-23 23:35:40,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446016121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:40,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:40,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:35:40,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637402438] [2024-11-23 23:35:40,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:40,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:35:40,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:40,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:35:40,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:40,335 INFO L87 Difference]: Start difference. First operand 11218 states and 16758 transitions. Second operand has 6 states, 6 states have (on average 38.0) internal successors, (228), 5 states have internal predecessors, (228), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-23 23:35:40,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:35:40,900 INFO L93 Difference]: Finished difference Result 13464 states and 19994 transitions. [2024-11-23 23:35:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:35:40,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.0) internal successors, (228), 5 states have internal predecessors, (228), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 381 [2024-11-23 23:35:40,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:35:40,921 INFO L225 Difference]: With dead ends: 13464 [2024-11-23 23:35:40,921 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:35:40,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:40,960 INFO L435 NwaCegarLoop]: 5182 mSDtfsCounter, 0 mSDsluCounter, 20721 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25903 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:35:40,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25903 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:35:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:35:40,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:35:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:35:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:35:40,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 381 [2024-11-23 23:35:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:35:40,980 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:35:40,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.0) internal successors, (228), 5 states have internal predecessors, (228), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-23 23:35:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:35:40,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:35:40,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:35:40,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 23:35:40,987 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] [2024-11-23 23:35:40,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.