./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:29:26,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:29:26,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:29:26,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:29:26,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:29:26,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:29:26,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:29:26,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:29:26,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:29:26,330 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:29:26,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:29:26,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:29:26,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:29:26,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:29:26,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:29:26,336 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:26,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:26,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:29:26,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:29:26,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:29:26,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:29:26,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:29:26,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:29:26,337 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-jdk21/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 -> fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 [2025-01-09 04:29:26,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:29:26,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:29:26,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:29:26,591 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:29:26,591 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:29:26,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2025-01-09 04:29:27,823 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc3a8f916/b50c62829e3b422e86302936e77ab116/FLAGe1aedba1f [2025-01-09 04:29:28,142 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:29:28,143 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2025-01-09 04:29:28,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc3a8f916/b50c62829e3b422e86302936e77ab116/FLAGe1aedba1f [2025-01-09 04:29:28,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc3a8f916/b50c62829e3b422e86302936e77ab116 [2025-01-09 04:29:28,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:29:28,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:29:28,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:28,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:29:28,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:29:28,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:28" (1/1) ... [2025-01-09 04:29:28,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d66ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:28, skipping insertion in model container [2025-01-09 04:29:28,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:28" (1/1) ... [2025-01-09 04:29:28,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:29:28,562 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2025-01-09 04:29:28,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:28,819 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:29:28,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [53] [2025-01-09 04:29:28,837 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2025-01-09 04:29:29,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:29,072 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:29:29,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29 WrapperNode [2025-01-09 04:29:29,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:29,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:29,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:29:29,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:29:29,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,267 INFO L138 Inliner]: procedures = 64, calls = 2411, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4955 [2025-01-09 04:29:29,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:29,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:29:29,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:29:29,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:29:29,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,431 INFO L175 MemorySlicer]: Split 1843 memory accesses to 27 slices as follows [8, 8, 2, 4, 7, 2, 50, 5, 3, 50, 5, 3, 264, 292, 158, 112, 63, 57, 82, 105, 82, 105, 82, 105, 82, 105, 2]. 16 percent of accesses are in the largest equivalence class. The 280 initializations are split as follows [0, 0, 0, 0, 2, 2, 0, 2, 1, 0, 2, 1, 24, 24, 2, 2, 1, 1, 27, 27, 27, 27, 27, 27, 27, 27, 0]. The 339 writes are split as follows [4, 4, 1, 0, 3, 0, 26, 1, 1, 26, 1, 1, 24, 24, 2, 2, 1, 1, 28, 26, 28, 26, 28, 26, 28, 26, 1]. [2025-01-09 04:29:29,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,505 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:29:29,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:29:29,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:29:29,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:29:29,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (1/1) ... [2025-01-09 04:29:29,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:29,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:29:29,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:29:29,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:29:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:29:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 04:29:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 04:29:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:29:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:29:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:29:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:29:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 04:29:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:29:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:29:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:29:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:29:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:29:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:29:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:29:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:29:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:29:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:29:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:29:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:29:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:29:30,060 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:29:30,062 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:29:36,526 INFO L? ?]: Removed 259 outVars from TransFormulas that were not future-live. [2025-01-09 04:29:36,526 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:29:36,559 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:29:36,559 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:29:36,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:29:36 BoogieIcfgContainer [2025-01-09 04:29:36,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:29:36,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:29:36,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:29:36,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:29:36,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:29:28" (1/3) ... [2025-01-09 04:29:36,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb637c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:29:36, skipping insertion in model container [2025-01-09 04:29:36,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:29" (2/3) ... [2025-01-09 04:29:36,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb637c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:29:36, skipping insertion in model container [2025-01-09 04:29:36,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:29:36" (3/3) ... [2025-01-09 04:29:36,567 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-2.c [2025-01-09 04:29:36,576 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:29:36,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M1-2.c that has 22 procedures, 1428 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:29:36,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:29:36,652 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;@7a47ae98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:29:36,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:29:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 1428 states, 896 states have (on average 1.2700892857142858) internal successors, (1138), 928 states have internal predecessors, (1138), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (509), 506 states have call predecessors, (509), 509 states have call successors, (509) [2025-01-09 04:29:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2025-01-09 04:29:36,739 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:36,741 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:29:36,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:36,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:36,746 INFO L85 PathProgramCache]: Analyzing trace with hash -360207767, now seen corresponding path program 1 times [2025-01-09 04:29:36,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:36,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634638995] [2025-01-09 04:29:36,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:36,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:37,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1034 statements into 1 equivalence classes. [2025-01-09 04:29:37,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1034 of 1034 statements. [2025-01-09 04:29:37,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:37,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2025-01-09 04:29:38,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:38,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634638995] [2025-01-09 04:29:38,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634638995] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:29:38,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754979774] [2025-01-09 04:29:38,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:38,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:29:38,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:29:38,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:29:38,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 04:29:39,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1034 statements into 1 equivalence classes. [2025-01-09 04:29:39,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1034 of 1034 statements. [2025-01-09 04:29:39,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:39,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:39,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 3970 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 04:29:39,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:29:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2025-01-09 04:29:39,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:29:39,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754979774] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:39,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:29:39,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 04:29:39,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189763888] [2025-01-09 04:29:39,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:39,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:29:39,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:39,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:29:39,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:29:39,872 INFO L87 Difference]: Start difference. First operand has 1428 states, 896 states have (on average 1.2700892857142858) internal successors, (1138), 928 states have internal predecessors, (1138), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (509), 506 states have call predecessors, (509), 509 states have call successors, (509) Second operand has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2025-01-09 04:29:40,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:29:40,012 INFO L93 Difference]: Finished difference Result 2851 states and 4795 transitions. [2025-01-09 04:29:40,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:29:40,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) Word has length 1034 [2025-01-09 04:29:40,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:29:40,058 INFO L225 Difference]: With dead ends: 2851 [2025-01-09 04:29:40,059 INFO L226 Difference]: Without dead ends: 1420 [2025-01-09 04:29:40,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:29:40,089 INFO L435 NwaCegarLoop]: 2154 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, 2154 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 [2025-01-09 04:29:40,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:29:40,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2025-01-09 04:29:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2025-01-09 04:29:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 889 states have (on average 1.2688413948256467) internal successors, (1128), 921 states have internal predecessors, (1128), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (508), 505 states have call predecessors, (508), 508 states have call successors, (508) [2025-01-09 04:29:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2145 transitions. [2025-01-09 04:29:40,343 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2145 transitions. Word has length 1034 [2025-01-09 04:29:40,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:29:40,345 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 2145 transitions. [2025-01-09 04:29:40,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2025-01-09 04:29:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2145 transitions. [2025-01-09 04:29:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2025-01-09 04:29:40,406 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:40,407 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:29:40,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 04:29:40,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 04:29:40,611 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:40,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:40,613 INFO L85 PathProgramCache]: Analyzing trace with hash 113178807, now seen corresponding path program 1 times [2025-01-09 04:29:40,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:40,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638658533] [2025-01-09 04:29:40,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:40,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:41,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1034 statements into 1 equivalence classes. [2025-01-09 04:29:42,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1034 of 1034 statements. [2025-01-09 04:29:42,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:42,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2025-01-09 04:29:45,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:45,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638658533] [2025-01-09 04:29:45,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638658533] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:45,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:29:45,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:29:45,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849024616] [2025-01-09 04:29:45,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:45,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:29:45,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:45,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:29:45,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:29:45,738 INFO L87 Difference]: Start difference. First operand 1420 states and 2145 transitions. Second operand has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2025-01-09 04:29:46,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:29:46,081 INFO L93 Difference]: Finished difference Result 2125 states and 3175 transitions. [2025-01-09 04:29:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:29:46,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) Word has length 1034 [2025-01-09 04:29:46,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:29:46,108 INFO L225 Difference]: With dead ends: 2125 [2025-01-09 04:29:46,108 INFO L226 Difference]: Without dead ends: 2123 [2025-01-09 04:29:46,112 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 [2025-01-09 04:29:46,112 INFO L435 NwaCegarLoop]: 2177 mSDtfsCounter, 1667 mSDsluCounter, 7478 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 9655 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:29:46,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 9655 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:29:46,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2025-01-09 04:29:46,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2121. [2025-01-09 04:29:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1298 states have (on average 1.2442218798151001) internal successors, (1615), 1361 states have internal predecessors, (1615), 779 states have call successors, (779), 42 states have call predecessors, (779), 43 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:29:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3172 transitions. [2025-01-09 04:29:46,286 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3172 transitions. Word has length 1034 [2025-01-09 04:29:46,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:29:46,288 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3172 transitions. [2025-01-09 04:29:46,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2025-01-09 04:29:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3172 transitions. [2025-01-09 04:29:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2025-01-09 04:29:46,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:46,307 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:29:46,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:29:46,308 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:46,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:46,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1269497095, now seen corresponding path program 1 times [2025-01-09 04:29:46,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:46,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369814830] [2025-01-09 04:29:46,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:46,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:46,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1040 statements into 1 equivalence classes. [2025-01-09 04:29:47,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1040 of 1040 statements. [2025-01-09 04:29:47,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:47,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 37266 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2025-01-09 04:29:49,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:49,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369814830] [2025-01-09 04:29:49,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369814830] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:49,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:29:49,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:29:49,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517763813] [2025-01-09 04:29:49,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:49,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:29:49,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:49,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:29:49,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:29:49,604 INFO L87 Difference]: Start difference. First operand 2121 states and 3172 transitions. Second operand has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2025-01-09 04:29:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:29:49,885 INFO L93 Difference]: Finished difference Result 2129 states and 3178 transitions. [2025-01-09 04:29:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:29:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) Word has length 1040 [2025-01-09 04:29:49,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:29:49,903 INFO L225 Difference]: With dead ends: 2129 [2025-01-09 04:29:49,903 INFO L226 Difference]: Without dead ends: 2127 [2025-01-09 04:29:49,904 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 [2025-01-09 04:29:49,905 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1662 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:29:49,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:29:49,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2025-01-09 04:29:50,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2125. [2025-01-09 04:29:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1301 states have (on average 1.2436587240584167) internal successors, (1618), 1364 states have internal predecessors, (1618), 779 states have call successors, (779), 43 states have call predecessors, (779), 44 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:29:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3175 transitions. [2025-01-09 04:29:50,109 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3175 transitions. Word has length 1040 [2025-01-09 04:29:50,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:29:50,111 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3175 transitions. [2025-01-09 04:29:50,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2025-01-09 04:29:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3175 transitions. [2025-01-09 04:29:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2025-01-09 04:29:50,128 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:50,129 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:29:50,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:29:50,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:50,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:50,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1409109589, now seen corresponding path program 1 times [2025-01-09 04:29:50,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:50,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594576270] [2025-01-09 04:29:50,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:50,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1046 statements into 1 equivalence classes. [2025-01-09 04:29:50,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1046 of 1046 statements. [2025-01-09 04:29:50,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:50,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 37272 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37268 trivial. 0 not checked. [2025-01-09 04:29:52,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:52,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594576270] [2025-01-09 04:29:52,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594576270] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:52,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:29:52,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:29:52,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139591020] [2025-01-09 04:29:52,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:52,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:29:52,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:52,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:29:52,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:29:52,585 INFO L87 Difference]: Start difference. First operand 2125 states and 3175 transitions. Second operand has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2025-01-09 04:29:52,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:29:52,878 INFO L93 Difference]: Finished difference Result 2133 states and 3181 transitions. [2025-01-09 04:29:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:29:52,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) Word has length 1046 [2025-01-09 04:29:52,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:29:52,891 INFO L225 Difference]: With dead ends: 2133 [2025-01-09 04:29:52,892 INFO L226 Difference]: Without dead ends: 2131 [2025-01-09 04:29:52,893 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 [2025-01-09 04:29:52,893 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1660 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:29:52,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:29:52,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2025-01-09 04:29:53,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2129. [2025-01-09 04:29:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 1304 states have (on average 1.2430981595092025) internal successors, (1621), 1367 states have internal predecessors, (1621), 779 states have call successors, (779), 44 states have call predecessors, (779), 45 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:29:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 3178 transitions. [2025-01-09 04:29:53,063 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 3178 transitions. Word has length 1046 [2025-01-09 04:29:53,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:29:53,066 INFO L471 AbstractCegarLoop]: Abstraction has 2129 states and 3178 transitions. [2025-01-09 04:29:53,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2025-01-09 04:29:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 3178 transitions. [2025-01-09 04:29:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2025-01-09 04:29:53,084 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:53,085 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:29:53,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:29:53,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:53,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1362867745, now seen corresponding path program 1 times [2025-01-09 04:29:53,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:53,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606277109] [2025-01-09 04:29:53,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:53,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:53,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1052 statements into 1 equivalence classes. [2025-01-09 04:29:53,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1052 of 1052 statements. [2025-01-09 04:29:53,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:53,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 37282 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37276 trivial. 0 not checked. [2025-01-09 04:29:55,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:55,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606277109] [2025-01-09 04:29:55,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606277109] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:55,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:29:55,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:29:55,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492415522] [2025-01-09 04:29:55,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:55,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:29:55,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:55,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:29:55,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:29:55,896 INFO L87 Difference]: Start difference. First operand 2129 states and 3178 transitions. Second operand has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2025-01-09 04:29:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:29:56,193 INFO L93 Difference]: Finished difference Result 2137 states and 3184 transitions. [2025-01-09 04:29:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:29:56,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) Word has length 1052 [2025-01-09 04:29:56,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:29:56,206 INFO L225 Difference]: With dead ends: 2137 [2025-01-09 04:29:56,206 INFO L226 Difference]: Without dead ends: 2135 [2025-01-09 04:29:56,208 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 [2025-01-09 04:29:56,208 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1658 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:29:56,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:29:56,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2025-01-09 04:29:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 2133. [2025-01-09 04:29:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 1307 states have (on average 1.242540168324407) internal successors, (1624), 1370 states have internal predecessors, (1624), 779 states have call successors, (779), 45 states have call predecessors, (779), 46 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:29:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3181 transitions. [2025-01-09 04:29:56,394 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3181 transitions. Word has length 1052 [2025-01-09 04:29:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:29:56,396 INFO L471 AbstractCegarLoop]: Abstraction has 2133 states and 3181 transitions. [2025-01-09 04:29:56,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2025-01-09 04:29:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3181 transitions. [2025-01-09 04:29:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2025-01-09 04:29:56,419 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:56,420 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:29:56,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:29:56,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:56,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:56,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1261511189, now seen corresponding path program 1 times [2025-01-09 04:29:56,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:56,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766898394] [2025-01-09 04:29:56,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:56,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:57,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1058 statements into 1 equivalence classes. [2025-01-09 04:29:57,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1058 of 1058 statements. [2025-01-09 04:29:57,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:57,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 37296 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37288 trivial. 0 not checked. [2025-01-09 04:29:59,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766898394] [2025-01-09 04:29:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766898394] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:59,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:29:59,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:29:59,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176690125] [2025-01-09 04:29:59,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:59,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:29:59,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:59,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:29:59,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:29:59,557 INFO L87 Difference]: Start difference. First operand 2133 states and 3181 transitions. Second operand has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2025-01-09 04:30:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:00,004 INFO L93 Difference]: Finished difference Result 2141 states and 3187 transitions. [2025-01-09 04:30:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:00,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) Word has length 1058 [2025-01-09 04:30:00,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:00,017 INFO L225 Difference]: With dead ends: 2141 [2025-01-09 04:30:00,018 INFO L226 Difference]: Without dead ends: 2139 [2025-01-09 04:30:00,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:00,019 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1656 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:00,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 04:30:00,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2025-01-09 04:30:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2137. [2025-01-09 04:30:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 1310 states have (on average 1.2419847328244276) internal successors, (1627), 1373 states have internal predecessors, (1627), 779 states have call successors, (779), 46 states have call predecessors, (779), 47 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 3184 transitions. [2025-01-09 04:30:00,438 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 3184 transitions. Word has length 1058 [2025-01-09 04:30:00,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:00,439 INFO L471 AbstractCegarLoop]: Abstraction has 2137 states and 3184 transitions. [2025-01-09 04:30:00,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2025-01-09 04:30:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 3184 transitions. [2025-01-09 04:30:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2025-01-09 04:30:00,461 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:00,461 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:30:00,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 04:30:00,462 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:00,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:00,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1302704333, now seen corresponding path program 1 times [2025-01-09 04:30:00,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:00,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073895465] [2025-01-09 04:30:00,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:00,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1064 statements into 1 equivalence classes. [2025-01-09 04:30:01,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1064 of 1064 statements. [2025-01-09 04:30:01,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:01,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 37314 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 37304 trivial. 0 not checked. [2025-01-09 04:30:03,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:03,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073895465] [2025-01-09 04:30:03,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073895465] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:03,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:03,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:03,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010930370] [2025-01-09 04:30:03,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:03,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:03,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:03,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:03,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:03,263 INFO L87 Difference]: Start difference. First operand 2137 states and 3184 transitions. Second operand has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2025-01-09 04:30:03,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:03,553 INFO L93 Difference]: Finished difference Result 2145 states and 3190 transitions. [2025-01-09 04:30:03,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:03,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) Word has length 1064 [2025-01-09 04:30:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:03,569 INFO L225 Difference]: With dead ends: 2145 [2025-01-09 04:30:03,569 INFO L226 Difference]: Without dead ends: 2143 [2025-01-09 04:30:03,570 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 [2025-01-09 04:30:03,571 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1654 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:03,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2025-01-09 04:30:03,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2141. [2025-01-09 04:30:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 1313 states have (on average 1.2414318354912415) internal successors, (1630), 1376 states have internal predecessors, (1630), 779 states have call successors, (779), 47 states have call predecessors, (779), 48 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 3187 transitions. [2025-01-09 04:30:03,741 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 3187 transitions. Word has length 1064 [2025-01-09 04:30:03,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:03,742 INFO L471 AbstractCegarLoop]: Abstraction has 2141 states and 3187 transitions. [2025-01-09 04:30:03,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2025-01-09 04:30:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 3187 transitions. [2025-01-09 04:30:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2025-01-09 04:30:03,759 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:03,760 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:30:03,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 04:30:03,760 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:03,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:03,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1609272455, now seen corresponding path program 1 times [2025-01-09 04:30:03,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965781704] [2025-01-09 04:30:03,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:04,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1070 statements into 1 equivalence classes. [2025-01-09 04:30:04,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1070 of 1070 statements. [2025-01-09 04:30:04,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:04,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 37324 trivial. 0 not checked. [2025-01-09 04:30:06,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:06,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965781704] [2025-01-09 04:30:06,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965781704] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:06,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:06,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:06,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491724041] [2025-01-09 04:30:06,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:06,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:06,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:06,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:06,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:06,448 INFO L87 Difference]: Start difference. First operand 2141 states and 3187 transitions. Second operand has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2025-01-09 04:30:06,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:06,704 INFO L93 Difference]: Finished difference Result 2149 states and 3193 transitions. [2025-01-09 04:30:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:06,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) Word has length 1070 [2025-01-09 04:30:06,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:06,716 INFO L225 Difference]: With dead ends: 2149 [2025-01-09 04:30:06,716 INFO L226 Difference]: Without dead ends: 2147 [2025-01-09 04:30:06,718 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 [2025-01-09 04:30:06,718 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1652 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:06,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2025-01-09 04:30:06,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2145. [2025-01-09 04:30:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 1316 states have (on average 1.2408814589665653) internal successors, (1633), 1379 states have internal predecessors, (1633), 779 states have call successors, (779), 48 states have call predecessors, (779), 49 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3190 transitions. [2025-01-09 04:30:06,891 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3190 transitions. Word has length 1070 [2025-01-09 04:30:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:06,892 INFO L471 AbstractCegarLoop]: Abstraction has 2145 states and 3190 transitions. [2025-01-09 04:30:06,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2025-01-09 04:30:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3190 transitions. [2025-01-09 04:30:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2025-01-09 04:30:06,908 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:06,909 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2025-01-09 04:30:06,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 04:30:06,909 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:06,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:06,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1256287171, now seen corresponding path program 1 times [2025-01-09 04:30:06,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:06,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044223108] [2025-01-09 04:30:06,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:07,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1076 statements into 1 equivalence classes. [2025-01-09 04:30:07,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1076 of 1076 statements. [2025-01-09 04:30:07,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:07,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 37362 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37348 trivial. 0 not checked. [2025-01-09 04:30:09,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:09,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044223108] [2025-01-09 04:30:09,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044223108] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:09,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:09,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:09,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189236743] [2025-01-09 04:30:09,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:09,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:09,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:09,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:09,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:09,770 INFO L87 Difference]: Start difference. First operand 2145 states and 3190 transitions. Second operand has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2025-01-09 04:30:10,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:10,021 INFO L93 Difference]: Finished difference Result 2153 states and 3196 transitions. [2025-01-09 04:30:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:10,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) Word has length 1076 [2025-01-09 04:30:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:10,037 INFO L225 Difference]: With dead ends: 2153 [2025-01-09 04:30:10,037 INFO L226 Difference]: Without dead ends: 2151 [2025-01-09 04:30:10,038 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 [2025-01-09 04:30:10,040 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1650 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:10,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2025-01-09 04:30:10,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2149. [2025-01-09 04:30:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1319 states have (on average 1.240333586050038) internal successors, (1636), 1382 states have internal predecessors, (1636), 779 states have call successors, (779), 49 states have call predecessors, (779), 50 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3193 transitions. [2025-01-09 04:30:10,220 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3193 transitions. Word has length 1076 [2025-01-09 04:30:10,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:10,221 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3193 transitions. [2025-01-09 04:30:10,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2025-01-09 04:30:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3193 transitions. [2025-01-09 04:30:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083 [2025-01-09 04:30:10,232 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:10,232 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:10,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 04:30:10,232 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:10,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:10,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1512252673, now seen corresponding path program 1 times [2025-01-09 04:30:10,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103905577] [2025-01-09 04:30:10,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:10,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:10,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1082 statements into 1 equivalence classes. [2025-01-09 04:30:10,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1082 of 1082 statements. [2025-01-09 04:30:10,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:10,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 37392 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 37376 trivial. 0 not checked. [2025-01-09 04:30:12,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:12,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103905577] [2025-01-09 04:30:12,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103905577] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:12,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:12,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:12,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907188908] [2025-01-09 04:30:12,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:12,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:12,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:12,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:12,898 INFO L87 Difference]: Start difference. First operand 2149 states and 3193 transitions. Second operand has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2025-01-09 04:30:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:13,202 INFO L93 Difference]: Finished difference Result 2157 states and 3199 transitions. [2025-01-09 04:30:13,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:13,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) Word has length 1082 [2025-01-09 04:30:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:13,216 INFO L225 Difference]: With dead ends: 2157 [2025-01-09 04:30:13,216 INFO L226 Difference]: Without dead ends: 2155 [2025-01-09 04:30:13,217 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 [2025-01-09 04:30:13,217 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1648 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:13,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2025-01-09 04:30:13,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2153. [2025-01-09 04:30:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1322 states have (on average 1.239788199697428) internal successors, (1639), 1385 states have internal predecessors, (1639), 779 states have call successors, (779), 50 states have call predecessors, (779), 51 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 3196 transitions. [2025-01-09 04:30:13,534 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 3196 transitions. Word has length 1082 [2025-01-09 04:30:13,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:13,537 INFO L471 AbstractCegarLoop]: Abstraction has 2153 states and 3196 transitions. [2025-01-09 04:30:13,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2025-01-09 04:30:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 3196 transitions. [2025-01-09 04:30:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2025-01-09 04:30:13,558 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:13,559 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:13,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 04:30:13,559 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:13,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:13,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1639034561, now seen corresponding path program 1 times [2025-01-09 04:30:13,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:13,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886241507] [2025-01-09 04:30:13,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:13,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1088 statements into 1 equivalence classes. [2025-01-09 04:30:14,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1088 of 1088 statements. [2025-01-09 04:30:14,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:14,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 37426 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37408 trivial. 0 not checked. [2025-01-09 04:30:16,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:16,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886241507] [2025-01-09 04:30:16,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886241507] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:16,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:16,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:16,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866646347] [2025-01-09 04:30:16,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:16,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:16,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:16,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:16,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:16,371 INFO L87 Difference]: Start difference. First operand 2153 states and 3196 transitions. Second operand has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2025-01-09 04:30:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:16,628 INFO L93 Difference]: Finished difference Result 2161 states and 3202 transitions. [2025-01-09 04:30:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) Word has length 1088 [2025-01-09 04:30:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:16,644 INFO L225 Difference]: With dead ends: 2161 [2025-01-09 04:30:16,645 INFO L226 Difference]: Without dead ends: 2159 [2025-01-09 04:30:16,646 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 [2025-01-09 04:30:16,646 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1646 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:16,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:16,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2025-01-09 04:30:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 2157. [2025-01-09 04:30:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1325 states have (on average 1.2392452830188678) internal successors, (1642), 1388 states have internal predecessors, (1642), 779 states have call successors, (779), 51 states have call predecessors, (779), 52 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3199 transitions. [2025-01-09 04:30:16,874 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 3199 transitions. Word has length 1088 [2025-01-09 04:30:16,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:16,874 INFO L471 AbstractCegarLoop]: Abstraction has 2157 states and 3199 transitions. [2025-01-09 04:30:16,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2025-01-09 04:30:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 3199 transitions. [2025-01-09 04:30:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2025-01-09 04:30:16,891 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:16,892 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:16,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 04:30:16,893 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:16,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:16,894 INFO L85 PathProgramCache]: Analyzing trace with hash 442818685, now seen corresponding path program 1 times [2025-01-09 04:30:16,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:16,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929769694] [2025-01-09 04:30:16,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:17,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1094 statements into 1 equivalence classes. [2025-01-09 04:30:17,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1094 of 1094 statements. [2025-01-09 04:30:17,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:17,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 37464 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 37444 trivial. 0 not checked. [2025-01-09 04:30:19,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:19,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929769694] [2025-01-09 04:30:19,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929769694] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:19,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:19,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:19,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679950632] [2025-01-09 04:30:19,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:19,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:19,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:19,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:19,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:19,700 INFO L87 Difference]: Start difference. First operand 2157 states and 3199 transitions. Second operand has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2025-01-09 04:30:19,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:19,998 INFO L93 Difference]: Finished difference Result 2165 states and 3205 transitions. [2025-01-09 04:30:19,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:19,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) Word has length 1094 [2025-01-09 04:30:20,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:20,008 INFO L225 Difference]: With dead ends: 2165 [2025-01-09 04:30:20,008 INFO L226 Difference]: Without dead ends: 2163 [2025-01-09 04:30:20,008 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 [2025-01-09 04:30:20,009 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1644 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:20,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:20,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states. [2025-01-09 04:30:20,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 2161. [2025-01-09 04:30:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 1328 states have (on average 1.2387048192771084) internal successors, (1645), 1391 states have internal predecessors, (1645), 779 states have call successors, (779), 52 states have call predecessors, (779), 53 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 3202 transitions. [2025-01-09 04:30:20,189 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 3202 transitions. Word has length 1094 [2025-01-09 04:30:20,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:20,189 INFO L471 AbstractCegarLoop]: Abstraction has 2161 states and 3202 transitions. [2025-01-09 04:30:20,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2025-01-09 04:30:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 3202 transitions. [2025-01-09 04:30:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2025-01-09 04:30:20,200 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:20,201 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:20,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 04:30:20,201 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:20,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash 475877945, now seen corresponding path program 1 times [2025-01-09 04:30:20,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:20,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256595151] [2025-01-09 04:30:20,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:20,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:20,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1100 statements into 1 equivalence classes. [2025-01-09 04:30:20,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1100 of 1100 statements. [2025-01-09 04:30:20,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:20,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 37506 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 37484 trivial. 0 not checked. [2025-01-09 04:30:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256595151] [2025-01-09 04:30:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256595151] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:23,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:23,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:23,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249931885] [2025-01-09 04:30:23,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:23,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:23,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:23,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:23,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:23,418 INFO L87 Difference]: Start difference. First operand 2161 states and 3202 transitions. Second operand has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) [2025-01-09 04:30:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:23,692 INFO L93 Difference]: Finished difference Result 2169 states and 3208 transitions. [2025-01-09 04:30:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:23,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) Word has length 1100 [2025-01-09 04:30:23,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:23,703 INFO L225 Difference]: With dead ends: 2169 [2025-01-09 04:30:23,704 INFO L226 Difference]: Without dead ends: 2167 [2025-01-09 04:30:23,704 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 [2025-01-09 04:30:23,705 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1642 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:23,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:23,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2025-01-09 04:30:23,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2165. [2025-01-09 04:30:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 1331 states have (on average 1.2381667918858001) internal successors, (1648), 1394 states have internal predecessors, (1648), 779 states have call successors, (779), 53 states have call predecessors, (779), 54 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3205 transitions. [2025-01-09 04:30:23,892 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3205 transitions. Word has length 1100 [2025-01-09 04:30:23,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:23,893 INFO L471 AbstractCegarLoop]: Abstraction has 2165 states and 3205 transitions. [2025-01-09 04:30:23,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) [2025-01-09 04:30:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3205 transitions. [2025-01-09 04:30:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2025-01-09 04:30:23,904 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:23,904 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:23,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 04:30:23,904 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:23,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:23,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1092046835, now seen corresponding path program 1 times [2025-01-09 04:30:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:23,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428299186] [2025-01-09 04:30:23,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:23,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:24,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1106 statements into 1 equivalence classes. [2025-01-09 04:30:24,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1106 of 1106 statements. [2025-01-09 04:30:24,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:24,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 37552 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 37528 trivial. 0 not checked. [2025-01-09 04:30:27,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:27,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428299186] [2025-01-09 04:30:27,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428299186] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:27,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:27,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:27,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258427656] [2025-01-09 04:30:27,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:27,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:27,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:27,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:27,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:27,129 INFO L87 Difference]: Start difference. First operand 2165 states and 3205 transitions. Second operand has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) [2025-01-09 04:30:27,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:27,438 INFO L93 Difference]: Finished difference Result 2173 states and 3211 transitions. [2025-01-09 04:30:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:27,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) Word has length 1106 [2025-01-09 04:30:27,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:27,446 INFO L225 Difference]: With dead ends: 2173 [2025-01-09 04:30:27,446 INFO L226 Difference]: Without dead ends: 2171 [2025-01-09 04:30:27,447 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 [2025-01-09 04:30:27,447 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1640 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:27,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2025-01-09 04:30:27,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2169. [2025-01-09 04:30:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 1334 states have (on average 1.237631184407796) internal successors, (1651), 1397 states have internal predecessors, (1651), 779 states have call successors, (779), 54 states have call predecessors, (779), 55 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 3208 transitions. [2025-01-09 04:30:27,651 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 3208 transitions. Word has length 1106 [2025-01-09 04:30:27,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:27,651 INFO L471 AbstractCegarLoop]: Abstraction has 2169 states and 3208 transitions. [2025-01-09 04:30:27,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) [2025-01-09 04:30:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 3208 transitions. [2025-01-09 04:30:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2025-01-09 04:30:27,664 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:27,664 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:27,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 04:30:27,664 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:27,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:27,665 INFO L85 PathProgramCache]: Analyzing trace with hash 846029611, now seen corresponding path program 1 times [2025-01-09 04:30:27,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:27,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454799871] [2025-01-09 04:30:27,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:27,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:28,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1112 statements into 1 equivalence classes. [2025-01-09 04:30:28,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1112 of 1112 statements. [2025-01-09 04:30:28,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:28,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 37602 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37576 trivial. 0 not checked. [2025-01-09 04:30:31,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:31,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454799871] [2025-01-09 04:30:31,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454799871] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:31,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:31,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:31,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855795586] [2025-01-09 04:30:31,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:31,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:31,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:31,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:31,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:31,266 INFO L87 Difference]: Start difference. First operand 2169 states and 3208 transitions. Second operand has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) [2025-01-09 04:30:31,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:31,546 INFO L93 Difference]: Finished difference Result 2177 states and 3214 transitions. [2025-01-09 04:30:31,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:31,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) Word has length 1112 [2025-01-09 04:30:31,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:31,555 INFO L225 Difference]: With dead ends: 2177 [2025-01-09 04:30:31,555 INFO L226 Difference]: Without dead ends: 2175 [2025-01-09 04:30:31,555 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 [2025-01-09 04:30:31,556 INFO L435 NwaCegarLoop]: 2180 mSDtfsCounter, 1638 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:31,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2025-01-09 04:30:31,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2173. [2025-01-09 04:30:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 1337 states have (on average 1.2370979805534779) internal successors, (1654), 1400 states have internal predecessors, (1654), 779 states have call successors, (779), 55 states have call predecessors, (779), 56 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2025-01-09 04:30:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 3211 transitions. [2025-01-09 04:30:31,756 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 3211 transitions. Word has length 1112 [2025-01-09 04:30:31,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:31,756 INFO L471 AbstractCegarLoop]: Abstraction has 2173 states and 3211 transitions. [2025-01-09 04:30:31,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) [2025-01-09 04:30:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 3211 transitions. [2025-01-09 04:30:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1108 [2025-01-09 04:30:31,767 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:31,767 INFO L218 NwaCegarLoop]: trace histogram [138, 138, 138, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:31,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 04:30:31,768 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:31,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:31,768 INFO L85 PathProgramCache]: Analyzing trace with hash 908371243, now seen corresponding path program 1 times [2025-01-09 04:30:31,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:31,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135435076] [2025-01-09 04:30:31,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:31,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:32,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1107 statements into 1 equivalence classes. [2025-01-09 04:30:32,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1107 of 1107 statements. [2025-01-09 04:30:32,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:32,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 37819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37819 trivial. 0 not checked. [2025-01-09 04:30:33,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135435076] [2025-01-09 04:30:33,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135435076] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:33,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:33,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:30:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919952135] [2025-01-09 04:30:33,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:33,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:30:33,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:33,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:30:33,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:30:33,028 INFO L87 Difference]: Start difference. First operand 2173 states and 3211 transitions. Second operand has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 3 states have call successors, (145), 2 states have call predecessors, (145), 3 states have return successors, (144), 3 states have call predecessors, (144), 3 states have call successors, (144) [2025-01-09 04:30:34,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:34,479 INFO L93 Difference]: Finished difference Result 2850 states and 4191 transitions. [2025-01-09 04:30:34,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:30:34,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 3 states have call successors, (145), 2 states have call predecessors, (145), 3 states have return successors, (144), 3 states have call predecessors, (144), 3 states have call successors, (144) Word has length 1107 [2025-01-09 04:30:34,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:34,490 INFO L225 Difference]: With dead ends: 2850 [2025-01-09 04:30:34,490 INFO L226 Difference]: Without dead ends: 2151 [2025-01-09 04:30:34,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:34,494 INFO L435 NwaCegarLoop]: 2863 mSDtfsCounter, 3214 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1017 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:34,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 6614 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1017 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-01-09 04:30:34,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2025-01-09 04:30:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1980. [2025-01-09 04:30:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1226 states have (on average 1.2446982055464926) internal successors, (1526), 1285 states have internal predecessors, (1526), 703 states have call successors, (703), 50 states have call predecessors, (703), 50 states have return successors, (727), 696 states have call predecessors, (727), 702 states have call successors, (727) [2025-01-09 04:30:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2956 transitions. [2025-01-09 04:30:34,754 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2956 transitions. Word has length 1107 [2025-01-09 04:30:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:34,755 INFO L471 AbstractCegarLoop]: Abstraction has 1980 states and 2956 transitions. [2025-01-09 04:30:34,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 3 states have call successors, (145), 2 states have call predecessors, (145), 3 states have return successors, (144), 3 states have call predecessors, (144), 3 states have call successors, (144) [2025-01-09 04:30:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2956 transitions. [2025-01-09 04:30:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2025-01-09 04:30:34,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:34,769 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:34,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-09 04:30:34,769 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:34,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:34,770 INFO L85 PathProgramCache]: Analyzing trace with hash -141757087, now seen corresponding path program 1 times [2025-01-09 04:30:34,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:34,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447980928] [2025-01-09 04:30:34,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:34,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:35,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1118 statements into 1 equivalence classes. [2025-01-09 04:30:35,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1118 of 1118 statements. [2025-01-09 04:30:35,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:35,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 37656 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 37628 trivial. 0 not checked. [2025-01-09 04:30:38,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:38,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447980928] [2025-01-09 04:30:38,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447980928] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:38,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:38,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:38,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727764369] [2025-01-09 04:30:38,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:38,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:38,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:38,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:38,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:38,244 INFO L87 Difference]: Start difference. First operand 1980 states and 2956 transitions. Second operand has 6 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (151), 1 states have call predecessors, (151), 1 states have call successors, (151) [2025-01-09 04:30:38,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:38,540 INFO L93 Difference]: Finished difference Result 1986 states and 2961 transitions. [2025-01-09 04:30:38,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:38,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (151), 1 states have call predecessors, (151), 1 states have call successors, (151) Word has length 1118 [2025-01-09 04:30:38,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:38,549 INFO L225 Difference]: With dead ends: 1986 [2025-01-09 04:30:38,549 INFO L226 Difference]: Without dead ends: 1984 [2025-01-09 04:30:38,550 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 [2025-01-09 04:30:38,550 INFO L435 NwaCegarLoop]: 2120 mSDtfsCounter, 1636 mSDsluCounter, 6301 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 8421 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:38,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 8421 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:38,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2025-01-09 04:30:38,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1984. [2025-01-09 04:30:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1229 states have (on average 1.244100895036615) internal successors, (1529), 1288 states have internal predecessors, (1529), 703 states have call successors, (703), 51 states have call predecessors, (703), 51 states have return successors, (727), 696 states have call predecessors, (727), 702 states have call successors, (727) [2025-01-09 04:30:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2959 transitions. [2025-01-09 04:30:38,800 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2959 transitions. Word has length 1118 [2025-01-09 04:30:38,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:38,801 INFO L471 AbstractCegarLoop]: Abstraction has 1984 states and 2959 transitions. [2025-01-09 04:30:38,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (151), 1 states have call predecessors, (151), 1 states have call successors, (151) [2025-01-09 04:30:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2959 transitions. [2025-01-09 04:30:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2025-01-09 04:30:38,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:38,813 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 16, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:38,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-09 04:30:38,813 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:38,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:38,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1555148779, now seen corresponding path program 1 times [2025-01-09 04:30:38,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:38,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181841707] [2025-01-09 04:30:38,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:38,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:39,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1124 statements into 1 equivalence classes. [2025-01-09 04:30:39,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1124 of 1124 statements. [2025-01-09 04:30:39,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:39,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 37714 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 37684 trivial. 0 not checked. [2025-01-09 04:30:42,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:42,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181841707] [2025-01-09 04:30:42,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181841707] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:42,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:42,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:42,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146107626] [2025-01-09 04:30:42,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:42,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:42,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:42,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:42,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:42,240 INFO L87 Difference]: Start difference. First operand 1984 states and 2959 transitions. Second operand has 6 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 2 states have call successors, (153), 2 states have call predecessors, (153), 1 states have return successors, (152), 1 states have call predecessors, (152), 1 states have call successors, (152) [2025-01-09 04:30:42,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:42,537 INFO L93 Difference]: Finished difference Result 1990 states and 2964 transitions. [2025-01-09 04:30:42,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:42,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 2 states have call successors, (153), 2 states have call predecessors, (153), 1 states have return successors, (152), 1 states have call predecessors, (152), 1 states have call successors, (152) Word has length 1124 [2025-01-09 04:30:42,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:42,546 INFO L225 Difference]: With dead ends: 1990 [2025-01-09 04:30:42,546 INFO L226 Difference]: Without dead ends: 1988 [2025-01-09 04:30:42,547 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 [2025-01-09 04:30:42,548 INFO L435 NwaCegarLoop]: 2120 mSDtfsCounter, 1634 mSDsluCounter, 6301 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 8421 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:42,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 8421 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:30:42,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2025-01-09 04:30:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1988. [2025-01-09 04:30:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1232 states have (on average 1.2435064935064934) internal successors, (1532), 1291 states have internal predecessors, (1532), 703 states have call successors, (703), 52 states have call predecessors, (703), 52 states have return successors, (727), 696 states have call predecessors, (727), 702 states have call successors, (727) [2025-01-09 04:30:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2962 transitions. [2025-01-09 04:30:42,811 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2962 transitions. Word has length 1124 [2025-01-09 04:30:42,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:42,812 INFO L471 AbstractCegarLoop]: Abstraction has 1988 states and 2962 transitions. [2025-01-09 04:30:42,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 2 states have call successors, (153), 2 states have call predecessors, (153), 1 states have return successors, (152), 1 states have call predecessors, (152), 1 states have call successors, (152) [2025-01-09 04:30:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2962 transitions. [2025-01-09 04:30:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2025-01-09 04:30:42,831 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:42,832 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 17, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:30:42,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-09 04:30:42,832 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:42,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash -527655737, now seen corresponding path program 1 times [2025-01-09 04:30:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:42,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505600170] [2025-01-09 04:30:42,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:43,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1130 statements into 1 equivalence classes. [2025-01-09 04:30:43,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1130 of 1130 statements. [2025-01-09 04:30:43,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:43,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat