./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 06:06:22,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 06:06:22,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 06:06:22,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 06:06:22,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 06:06:22,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 06:06:22,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 06:06:22,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 06:06:22,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 06:06:22,831 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 06:06:22,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 06:06:22,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 06:06:22,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 06:06:22,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 06:06:22,832 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 06:06:22,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 06:06:22,833 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 06:06:22,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:06:22,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 06:06:22,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 06:06:22,834 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 [2025-03-08 06:06:23,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 06:06:23,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 06:06:23,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 06:06:23,098 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 06:06:23,098 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 06:06:23,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2025-03-08 06:06:24,372 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36d3dc9c/c7a98cd76c294cf58ce96f838b924ae5/FLAG6f9ed86aa [2025-03-08 06:06:24,827 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 06:06:24,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2025-03-08 06:06:24,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36d3dc9c/c7a98cd76c294cf58ce96f838b924ae5/FLAG6f9ed86aa [2025-03-08 06:06:24,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36d3dc9c/c7a98cd76c294cf58ce96f838b924ae5 [2025-03-08 06:06:24,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 06:06:24,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 06:06:24,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 06:06:24,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 06:06:24,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 06:06:24,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:06:24" (1/1) ... [2025-03-08 06:06:24,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d3be11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:24, skipping insertion in model container [2025-03-08 06:06:24,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:06:24" (1/1) ... [2025-03-08 06:06:25,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 06:06:25,190 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c[2061,2074] [2025-03-08 06:06:25,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:06:25,536 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 06:06:25,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug4.i","-S") [44] [2025-03-08 06:06:25,549 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c[2061,2074] [2025-03-08 06:06:25,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:06:25,822 INFO L204 MainTranslator]: Completed translation [2025-03-08 06:06:25,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25 WrapperNode [2025-03-08 06:06:25,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 06:06:25,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 06:06:25,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 06:06:25,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 06:06:25,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:25,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,098 INFO L138 Inliner]: procedures = 73, calls = 3160, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 6433 [2025-03-08 06:06:26,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 06:06:26,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 06:06:26,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 06:06:26,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 06:06:26,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,205 INFO L175 MemorySlicer]: Split 2493 memory accesses to 32 slices as follows [2, 4, 8, 2, 2, 50, 5, 3, 264, 272, 144, 112, 57, 57, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 8, 105, 82, 105, 82, 105, 7]. 11 percent of accesses are in the largest equivalence class. The 493 initializations are split as follows [0, 0, 0, 0, 2, 0, 2, 1, 24, 24, 2, 2, 1, 1, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 27, 27, 2]. The 527 writes are split as follows [1, 0, 4, 1, 0, 26, 1, 1, 24, 24, 2, 2, 1, 1, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 4, 26, 28, 26, 28, 26, 3]. [2025-03-08 06:06:26,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 06:06:26,484 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 06:06:26,484 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 06:06:26,484 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 06:06:26,485 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (1/1) ... [2025-03-08 06:06:26,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:06:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:06:26,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 06:06:26,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 06:06:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 06:06:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-03-08 06:06:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-03-08 06:06:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-03-08 06:06:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-03-08 06:06:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-03-08 06:06:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-03-08 06:06:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 06:06:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 06:06:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 06:06:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 06:06:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 06:06:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 06:06:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 06:06:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 06:06:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 06:06:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 06:06:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-08 06:06:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-08 06:06:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-08 06:06:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-03-08 06:06:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-03-08 06:06:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-03-08 06:06:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-03-08 06:06:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 06:06:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-08 06:06:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 06:06:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 06:06:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-08 06:06:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-03-08 06:06:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-03-08 06:06:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-03-08 06:06:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 06:06:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 06:06:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 06:06:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-03-08 06:06:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-03-08 06:06:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-03-08 06:06:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-03-08 06:06:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-03-08 06:06:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-03-08 06:06:27,232 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 06:06:27,234 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 06:06:27,682 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset; [2025-03-08 06:06:27,683 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L101: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset; [2025-03-08 06:06:35,353 INFO L? ?]: Removed 349 outVars from TransFormulas that were not future-live. [2025-03-08 06:06:35,354 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 06:06:35,394 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 06:06:35,394 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 06:06:35,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:06:35 BoogieIcfgContainer [2025-03-08 06:06:35,395 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 06:06:35,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 06:06:35,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 06:06:35,401 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 06:06:35,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:06:24" (1/3) ... [2025-03-08 06:06:35,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eee85c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:06:35, skipping insertion in model container [2025-03-08 06:06:35,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:06:25" (2/3) ... [2025-03-08 06:06:35,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eee85c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:06:35, skipping insertion in model container [2025-03-08 06:06:35,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:06:35" (3/3) ... [2025-03-08 06:06:35,403 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M1.c [2025-03-08 06:06:35,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 06:06:35,420 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.4.M1.c that has 24 procedures, 1636 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 06:06:35,501 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 06:06:35,510 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;@5a2a5083, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 06:06:35,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 06:06:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 1636 states, 1016 states have (on average 1.2559055118110236) internal successors, (1276), 1048 states have internal predecessors, (1276), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) [2025-03-08 06:06:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2025-03-08 06:06:35,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:06:35,645 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:06:35,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:06:35,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:06:35,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1047869283, now seen corresponding path program 1 times [2025-03-08 06:06:35,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:06:35,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600950704] [2025-03-08 06:06:35,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:06:35,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:06:37,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes. [2025-03-08 06:06:37,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements. [2025-03-08 06:06:37,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:06:37,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:06:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 115200 trivial. 0 not checked. [2025-03-08 06:06:39,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:06:39,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600950704] [2025-03-08 06:06:39,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600950704] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:06:39,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340992753] [2025-03-08 06:06:39,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:06:39,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:06:39,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:06:39,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:06:39,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 06:06:41,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes. [2025-03-08 06:06:42,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements. [2025-03-08 06:06:42,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:06:42,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:06:42,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 6387 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 06:06:42,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:06:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 115200 trivial. 0 not checked. [2025-03-08 06:06:42,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 06:06:42,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340992753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:06:42,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 06:06:42,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 06:06:42,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539966758] [2025-03-08 06:06:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:06:42,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 06:06:42,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:06:42,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 06:06:42,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 06:06:42,767 INFO L87 Difference]: Start difference. First operand has 1636 states, 1016 states have (on average 1.2559055118110236) internal successors, (1276), 1048 states have internal predecessors, (1276), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) Second operand has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) [2025-03-08 06:06:43,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:06:43,029 INFO L93 Difference]: Finished difference Result 3267 states and 5493 transitions. [2025-03-08 06:06:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 06:06:43,032 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) Word has length 1658 [2025-03-08 06:06:43,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:06:43,067 INFO L225 Difference]: With dead ends: 3267 [2025-03-08 06:06:43,067 INFO L226 Difference]: Without dead ends: 1628 [2025-03-08 06:06:43,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1659 GetRequests, 1659 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 06:06:43,094 INFO L435 NwaCegarLoop]: 2464 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:06:43,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:06:43,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2025-03-08 06:06:43,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1628. [2025-03-08 06:06:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1009 states have (on average 1.2547076313181367) internal successors, (1266), 1041 states have internal predecessors, (1266), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (594), 591 states have call predecessors, (594), 594 states have call successors, (594) [2025-03-08 06:06:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2455 transitions. [2025-03-08 06:06:43,486 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2455 transitions. Word has length 1658 [2025-03-08 06:06:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:06:43,489 INFO L471 AbstractCegarLoop]: Abstraction has 1628 states and 2455 transitions. [2025-03-08 06:06:43,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) [2025-03-08 06:06:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2455 transitions. [2025-03-08 06:06:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2025-03-08 06:06:43,541 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:06:43,542 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:06:43,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 06:06:43,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 06:06:43,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:06:43,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:06:43,746 INFO L85 PathProgramCache]: Analyzing trace with hash -423488526, now seen corresponding path program 1 times [2025-03-08 06:06:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:06:43,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971359641] [2025-03-08 06:06:43,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:06:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:06:45,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes. [2025-03-08 06:06:47,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements. [2025-03-08 06:06:47,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:06:47,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:06:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked. [2025-03-08 06:06:53,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:06:53,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971359641] [2025-03-08 06:06:53,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971359641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:06:53,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:06:53,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:06:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576809348] [2025-03-08 06:06:53,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:06:53,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:06:53,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:06:53,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:06:53,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:06:53,988 INFO L87 Difference]: Start difference. First operand 1628 states and 2455 transitions. Second operand has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) [2025-03-08 06:06:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:06:54,457 INFO L93 Difference]: Finished difference Result 2469 states and 3719 transitions. [2025-03-08 06:06:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:06:54,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) Word has length 1658 [2025-03-08 06:06:54,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:06:54,488 INFO L225 Difference]: With dead ends: 2469 [2025-03-08 06:06:54,489 INFO L226 Difference]: Without dead ends: 2467 [2025-03-08 06:06:54,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:06:54,492 INFO L435 NwaCegarLoop]: 2442 mSDtfsCounter, 1769 mSDsluCounter, 8487 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 10929 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:06:54,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 10929 Invalid, 190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:06:54,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2025-03-08 06:06:54,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2465. [2025-03-08 06:06:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 1485 states have (on average 1.2255892255892256) internal successors, (1820), 1544 states have internal predecessors, (1820), 937 states have call successors, (937), 42 states have call predecessors, (937), 42 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:06:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3716 transitions. [2025-03-08 06:06:54,809 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3716 transitions. Word has length 1658 [2025-03-08 06:06:54,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:06:54,813 INFO L471 AbstractCegarLoop]: Abstraction has 2465 states and 3716 transitions. [2025-03-08 06:06:54,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) [2025-03-08 06:06:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3716 transitions. [2025-03-08 06:06:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1665 [2025-03-08 06:06:54,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:06:54,855 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:06:54,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 06:06:54,855 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:06:54,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:06:54,857 INFO L85 PathProgramCache]: Analyzing trace with hash -323229647, now seen corresponding path program 1 times [2025-03-08 06:06:54,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:06:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985378261] [2025-03-08 06:06:54,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:06:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:06:56,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1664 statements into 1 equivalence classes. [2025-03-08 06:06:57,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1664 of 1664 statements. [2025-03-08 06:06:57,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:06:57,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:07:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 115682 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked. [2025-03-08 06:07:01,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:07:01,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985378261] [2025-03-08 06:07:01,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985378261] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:07:01,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:07:01,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:07:01,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102037319] [2025-03-08 06:07:01,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:07:01,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:07:01,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:07:01,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:07:01,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:07:01,678 INFO L87 Difference]: Start difference. First operand 2465 states and 3716 transitions. Second operand has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) [2025-03-08 06:07:02,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:07:02,048 INFO L93 Difference]: Finished difference Result 2473 states and 3722 transitions. [2025-03-08 06:07:02,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:07:02,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) Word has length 1664 [2025-03-08 06:07:02,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:07:02,070 INFO L225 Difference]: With dead ends: 2473 [2025-03-08 06:07:02,071 INFO L226 Difference]: Without dead ends: 2471 [2025-03-08 06:07:02,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:07:02,074 INFO L435 NwaCegarLoop]: 2445 mSDtfsCounter, 1764 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:07:02,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:07:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2025-03-08 06:07:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2469. [2025-03-08 06:07:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 1488 states have (on average 1.2251344086021505) internal successors, (1823), 1547 states have internal predecessors, (1823), 937 states have call successors, (937), 43 states have call predecessors, (937), 43 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:07:02,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 3719 transitions. [2025-03-08 06:07:02,378 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 3719 transitions. Word has length 1664 [2025-03-08 06:07:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:07:02,381 INFO L471 AbstractCegarLoop]: Abstraction has 2469 states and 3719 transitions. [2025-03-08 06:07:02,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) [2025-03-08 06:07:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 3719 transitions. [2025-03-08 06:07:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2025-03-08 06:07:02,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:02,417 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:07:02,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 06:07:02,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:07:02,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:07:02,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2116585522, now seen corresponding path program 1 times [2025-03-08 06:07:02,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:02,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160886321] [2025-03-08 06:07:02,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:02,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:07:03,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1670 statements into 1 equivalence classes. [2025-03-08 06:07:04,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1670 of 1670 statements. [2025-03-08 06:07:04,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:07:04,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:07:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 115688 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115684 trivial. 0 not checked. [2025-03-08 06:07:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:07:08,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160886321] [2025-03-08 06:07:08,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160886321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:07:08,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:07:08,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:07:08,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124448187] [2025-03-08 06:07:08,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:07:08,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:07:08,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:07:08,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:07:08,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:07:08,626 INFO L87 Difference]: Start difference. First operand 2469 states and 3719 transitions. Second operand has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) [2025-03-08 06:07:08,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:07:08,982 INFO L93 Difference]: Finished difference Result 2477 states and 3725 transitions. [2025-03-08 06:07:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:07:08,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) Word has length 1670 [2025-03-08 06:07:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:07:09,001 INFO L225 Difference]: With dead ends: 2477 [2025-03-08 06:07:09,001 INFO L226 Difference]: Without dead ends: 2475 [2025-03-08 06:07:09,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:07:09,005 INFO L435 NwaCegarLoop]: 2445 mSDtfsCounter, 1762 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:07:09,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:07:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2025-03-08 06:07:09,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2473. [2025-03-08 06:07:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 1491 states have (on average 1.2246814218645206) internal successors, (1826), 1550 states have internal predecessors, (1826), 937 states have call successors, (937), 44 states have call predecessors, (937), 44 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:07:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3722 transitions. [2025-03-08 06:07:09,274 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3722 transitions. Word has length 1670 [2025-03-08 06:07:09,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:07:09,277 INFO L471 AbstractCegarLoop]: Abstraction has 2473 states and 3722 transitions. [2025-03-08 06:07:09,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) [2025-03-08 06:07:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3722 transitions. [2025-03-08 06:07:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1677 [2025-03-08 06:07:09,311 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:09,312 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:07:09,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 06:07:09,313 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:07:09,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:07:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1694276213, now seen corresponding path program 1 times [2025-03-08 06:07:09,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:09,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071838912] [2025-03-08 06:07:09,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:09,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:07:10,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1676 statements into 1 equivalence classes. [2025-03-08 06:07:11,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1676 of 1676 statements. [2025-03-08 06:07:11,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:07:11,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:07:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 115698 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 115692 trivial. 0 not checked. [2025-03-08 06:07:15,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:07:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071838912] [2025-03-08 06:07:15,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071838912] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:07:15,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:07:15,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:07:15,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651815507] [2025-03-08 06:07:15,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:07:15,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:07:15,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:07:15,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:07:15,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:07:15,598 INFO L87 Difference]: Start difference. First operand 2473 states and 3722 transitions. Second operand has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) [2025-03-08 06:07:15,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:07:15,944 INFO L93 Difference]: Finished difference Result 2481 states and 3728 transitions. [2025-03-08 06:07:15,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:07:15,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) Word has length 1676 [2025-03-08 06:07:15,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:07:15,969 INFO L225 Difference]: With dead ends: 2481 [2025-03-08 06:07:15,969 INFO L226 Difference]: Without dead ends: 2479 [2025-03-08 06:07:15,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:07:15,973 INFO L435 NwaCegarLoop]: 2445 mSDtfsCounter, 1760 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:07:15,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:07:15,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2025-03-08 06:07:16,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2477. [2025-03-08 06:07:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1494 states have (on average 1.2242302543507362) internal successors, (1829), 1553 states have internal predecessors, (1829), 937 states have call successors, (937), 45 states have call predecessors, (937), 45 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:07:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3725 transitions. [2025-03-08 06:07:16,220 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3725 transitions. Word has length 1676 [2025-03-08 06:07:16,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:07:16,221 INFO L471 AbstractCegarLoop]: Abstraction has 2477 states and 3725 transitions. [2025-03-08 06:07:16,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) [2025-03-08 06:07:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3725 transitions. [2025-03-08 06:07:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1683 [2025-03-08 06:07:16,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:16,248 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:07:16,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 06:07:16,249 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:07:16,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:07:16,250 INFO L85 PathProgramCache]: Analyzing trace with hash -508172934, now seen corresponding path program 1 times [2025-03-08 06:07:16,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:16,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565093300] [2025-03-08 06:07:16,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:16,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:07:17,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1682 statements into 1 equivalence classes. [2025-03-08 06:07:18,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1682 of 1682 statements. [2025-03-08 06:07:18,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:07:18,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:07:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 115712 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115704 trivial. 0 not checked. [2025-03-08 06:07:22,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:07:22,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565093300] [2025-03-08 06:07:22,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565093300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:07:22,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:07:22,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:07:22,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975937057] [2025-03-08 06:07:22,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:07:22,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:07:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:07:22,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:07:22,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:07:22,197 INFO L87 Difference]: Start difference. First operand 2477 states and 3725 transitions. Second operand has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) [2025-03-08 06:07:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:07:22,609 INFO L93 Difference]: Finished difference Result 2485 states and 3731 transitions. [2025-03-08 06:07:22,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:07:22,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) Word has length 1682 [2025-03-08 06:07:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:07:22,629 INFO L225 Difference]: With dead ends: 2485 [2025-03-08 06:07:22,629 INFO L226 Difference]: Without dead ends: 2483 [2025-03-08 06:07:22,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:07:22,633 INFO L435 NwaCegarLoop]: 2445 mSDtfsCounter, 1758 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 06:07:22,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 06:07:22,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2025-03-08 06:07:22,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2481. [2025-03-08 06:07:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 1497 states have (on average 1.2237808951235805) internal successors, (1832), 1556 states have internal predecessors, (1832), 937 states have call successors, (937), 46 states have call predecessors, (937), 46 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:07:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3728 transitions. [2025-03-08 06:07:22,910 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3728 transitions. Word has length 1682 [2025-03-08 06:07:22,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:07:22,912 INFO L471 AbstractCegarLoop]: Abstraction has 2481 states and 3728 transitions. [2025-03-08 06:07:22,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) [2025-03-08 06:07:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3728 transitions. [2025-03-08 06:07:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1689 [2025-03-08 06:07:22,935 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:22,936 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:07:22,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 06:07:22,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:07:22,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:07:22,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1476177983, now seen corresponding path program 1 times [2025-03-08 06:07:22,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:22,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352234425] [2025-03-08 06:07:22,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:22,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:07:24,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1688 statements into 1 equivalence classes. [2025-03-08 06:07:24,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1688 of 1688 statements. [2025-03-08 06:07:24,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:07:24,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:07:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 115730 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 115720 trivial. 0 not checked. [2025-03-08 06:07:29,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:07:29,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352234425] [2025-03-08 06:07:29,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352234425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:07:29,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:07:29,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:07:29,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725431763] [2025-03-08 06:07:29,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:07:29,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:07:29,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:07:29,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:07:29,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:07:29,104 INFO L87 Difference]: Start difference. First operand 2481 states and 3728 transitions. Second operand has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) [2025-03-08 06:07:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:07:29,475 INFO L93 Difference]: Finished difference Result 2489 states and 3734 transitions. [2025-03-08 06:07:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:07:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) Word has length 1688 [2025-03-08 06:07:29,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:07:29,496 INFO L225 Difference]: With dead ends: 2489 [2025-03-08 06:07:29,496 INFO L226 Difference]: Without dead ends: 2487 [2025-03-08 06:07:29,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:07:29,499 INFO L435 NwaCegarLoop]: 2445 mSDtfsCounter, 1756 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:07:29,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:07:29,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2025-03-08 06:07:29,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2485. [2025-03-08 06:07:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1500 states have (on average 1.2233333333333334) internal successors, (1835), 1559 states have internal predecessors, (1835), 937 states have call successors, (937), 47 states have call predecessors, (937), 47 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:07:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3731 transitions. [2025-03-08 06:07:29,756 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3731 transitions. Word has length 1688 [2025-03-08 06:07:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:07:29,758 INFO L471 AbstractCegarLoop]: Abstraction has 2485 states and 3731 transitions. [2025-03-08 06:07:29,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) [2025-03-08 06:07:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3731 transitions. [2025-03-08 06:07:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1695 [2025-03-08 06:07:29,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:29,780 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:07:29,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 06:07:29,780 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:07:29,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:07:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1116938294, now seen corresponding path program 1 times [2025-03-08 06:07:29,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:29,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870620657] [2025-03-08 06:07:29,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:29,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:07:31,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1694 statements into 1 equivalence classes. [2025-03-08 06:07:32,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1694 of 1694 statements. [2025-03-08 06:07:32,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:07:32,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:07:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 115752 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 115740 trivial. 0 not checked. [2025-03-08 06:07:36,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:07:36,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870620657] [2025-03-08 06:07:36,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870620657] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:07:36,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 06:07:36,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 06:07:36,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393133970] [2025-03-08 06:07:36,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:07:36,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 06:07:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:07:36,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 06:07:36,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 06:07:36,610 INFO L87 Difference]: Start difference. First operand 2485 states and 3731 transitions. Second operand has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) [2025-03-08 06:07:36,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:07:36,956 INFO L93 Difference]: Finished difference Result 2493 states and 3737 transitions. [2025-03-08 06:07:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 06:07:36,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) Word has length 1694 [2025-03-08 06:07:36,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:07:36,976 INFO L225 Difference]: With dead ends: 2493 [2025-03-08 06:07:36,976 INFO L226 Difference]: Without dead ends: 2491 [2025-03-08 06:07:36,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-08 06:07:36,978 INFO L435 NwaCegarLoop]: 2445 mSDtfsCounter, 1754 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 06:07:36,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 06:07:36,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2025-03-08 06:07:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 2489. [2025-03-08 06:07:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 1503 states have (on average 1.2228875582168994) internal successors, (1838), 1562 states have internal predecessors, (1838), 937 states have call successors, (937), 48 states have call predecessors, (937), 48 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959) [2025-03-08 06:07:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 3734 transitions. [2025-03-08 06:07:37,234 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 3734 transitions. Word has length 1694 [2025-03-08 06:07:37,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:07:37,236 INFO L471 AbstractCegarLoop]: Abstraction has 2489 states and 3734 transitions. [2025-03-08 06:07:37,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) [2025-03-08 06:07:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 3734 transitions. [2025-03-08 06:07:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1701 [2025-03-08 06:07:37,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:07:37,259 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:07:37,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 06:07:37,259 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:07:37,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:07:37,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1174684651, now seen corresponding path program 1 times [2025-03-08 06:07:37,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:07:37,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494782631] [2025-03-08 06:07:37,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:07:37,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:07:38,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1700 statements into 1 equivalence classes. [2025-03-08 06:07:39,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1700 of 1700 statements. [2025-03-08 06:07:39,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:07:39,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat