./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label42+token_ring.15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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/combinations/Problem05_label42+token_ring.15.cil.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 4859a4cdb98a3caca502aed15b30b6d563e2037c3c786a209b1853d003f6e66c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 17:09:08,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 17:09:08,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 17:09:08,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 17:09:08,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 17:09:08,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 17:09:08,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 17:09:08,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 17:09:08,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 17:09:08,150 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 17:09:08,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 17:09:08,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 17:09:08,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 17:09:08,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 17:09:08,151 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 17:09:08,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 17:09:08,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 17:09:08,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 17:09:08,153 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 17:09:08,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 17:09:08,153 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 17:09:08,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 17:09:08,154 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 -> 4859a4cdb98a3caca502aed15b30b6d563e2037c3c786a209b1853d003f6e66c [2025-02-05 17:09:08,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 17:09:08,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 17:09:08,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 17:09:08,425 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 17:09:08,426 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 17:09:08,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label42+token_ring.15.cil.c [2025-02-05 17:09:09,638 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f88df6679/1a1f460eda104289b909ba1b24a43d2f/FLAG9a4f313fb [2025-02-05 17:09:10,130 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 17:09:10,132 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label42+token_ring.15.cil.c [2025-02-05 17:09:10,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f88df6679/1a1f460eda104289b909ba1b24a43d2f/FLAG9a4f313fb [2025-02-05 17:09:10,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f88df6679/1a1f460eda104289b909ba1b24a43d2f [2025-02-05 17:09:10,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 17:09:10,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 17:09:10,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 17:09:10,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 17:09:10,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 17:09:10,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 05:09:10" (1/1) ... [2025-02-05 17:09:10,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef3eaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:10, skipping insertion in model container [2025-02-05 17:09:10,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 05:09:10" (1/1) ... [2025-02-05 17:09:10,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 17:09:11,439 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/combinations/Problem05_label42+token_ring.15.cil.c[378560,378573] [2025-02-05 17:09:11,483 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/combinations/Problem05_label42+token_ring.15.cil.c[383339,383352] [2025-02-05 17:09:11,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 17:09:11,788 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 17:09:12,274 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/combinations/Problem05_label42+token_ring.15.cil.c[378560,378573] [2025-02-05 17:09:12,281 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/combinations/Problem05_label42+token_ring.15.cil.c[383339,383352] [2025-02-05 17:09:12,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 17:09:12,352 INFO L204 MainTranslator]: Completed translation [2025-02-05 17:09:12,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12 WrapperNode [2025-02-05 17:09:12,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 17:09:12,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 17:09:12,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 17:09:12,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 17:09:12,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:12,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:12,861 INFO L138 Inliner]: procedures = 70, calls = 81, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 13246 [2025-02-05 17:09:12,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 17:09:12,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 17:09:12,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 17:09:12,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 17:09:12,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:12,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:12,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,077 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 17:09:13,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,260 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 17:09:13,365 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 17:09:13,366 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 17:09:13,366 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 17:09:13,367 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (1/1) ... [2025-02-05 17:09:13,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 17:09:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 17:09:13,394 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) [2025-02-05 17:09:13,408 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 [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure error [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 17:09:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 17:09:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 17:09:13,524 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 17:09:13,525 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 17:09:19,965 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc calculate_output3_#t~ret16#1; [2025-02-05 17:09:19,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc calculate_output5_#t~ret18#1; [2025-02-05 17:09:19,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc calculate_output2_#t~ret15#1; [2025-02-05 17:09:19,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc calculate_output7_#t~ret20#1; [2025-02-05 17:09:19,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc calculate_output6_#t~ret19#1; [2025-02-05 17:09:19,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc calculate_output4_#t~ret17#1; [2025-02-05 17:09:19,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc calculate_output_#t~ret14#1; [2025-02-05 17:09:20,181 INFO L? ?]: Removed 1765 outVars from TransFormulas that were not future-live. [2025-02-05 17:09:20,182 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 17:09:20,218 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 17:09:20,218 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 17:09:20,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 05:09:20 BoogieIcfgContainer [2025-02-05 17:09:20,219 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 17:09:20,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 17:09:20,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 17:09:20,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 17:09:20,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 05:09:10" (1/3) ... [2025-02-05 17:09:20,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6261bcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 05:09:20, skipping insertion in model container [2025-02-05 17:09:20,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:09:12" (2/3) ... [2025-02-05 17:09:20,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6261bcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 05:09:20, skipping insertion in model container [2025-02-05 17:09:20,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 05:09:20" (3/3) ... [2025-02-05 17:09:20,226 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem05_label42+token_ring.15.cil.c [2025-02-05 17:09:20,236 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 17:09:20,239 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem05_label42+token_ring.15.cil.c that has 8 procedures, 2624 locations, 1 initial locations, 17 loop locations, and 2 error locations. [2025-02-05 17:09:20,354 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 17:09:20,370 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;@977313d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 17:09:20,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-05 17:09:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 2624 states, 2585 states have (on average 1.8263056092843326) internal successors, (4721), 2590 states have internal predecessors, (4721), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-05 17:09:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:20,410 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:20,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:20,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:20,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:20,417 INFO L85 PathProgramCache]: Analyzing trace with hash 112421340, now seen corresponding path program 1 times [2025-02-05 17:09:20,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:20,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705537382] [2025-02-05 17:09:20,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:20,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:20,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:20,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:20,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:20,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:20,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:20,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705537382] [2025-02-05 17:09:20,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705537382] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:20,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:20,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:20,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204126045] [2025-02-05 17:09:20,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:20,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:20,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:20,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:20,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:20,993 INFO L87 Difference]: Start difference. First operand has 2624 states, 2585 states have (on average 1.8263056092843326) internal successors, (4721), 2590 states have internal predecessors, (4721), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:21,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:21,902 INFO L93 Difference]: Finished difference Result 5695 states and 10283 transitions. [2025-02-05 17:09:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 17:09:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:21,924 INFO L225 Difference]: With dead ends: 5695 [2025-02-05 17:09:21,924 INFO L226 Difference]: Without dead ends: 3022 [2025-02-05 17:09:21,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:21,937 INFO L435 NwaCegarLoop]: 4557 mSDtfsCounter, 5299 mSDsluCounter, 9426 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5320 SdHoareTripleChecker+Valid, 13983 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:21,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5320 Valid, 13983 Invalid, 740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:09:21,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2025-02-05 17:09:22,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 2989. [2025-02-05 17:09:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2923 states have (on average 1.7807047553882998) internal successors, (5205), 2927 states have internal predecessors, (5205), 51 states have call successors, (51), 13 states have call predecessors, (51), 13 states have return successors, (50), 49 states have call predecessors, (50), 49 states have call successors, (50) [2025-02-05 17:09:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 5306 transitions. [2025-02-05 17:09:22,070 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 5306 transitions. Word has length 190 [2025-02-05 17:09:22,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:22,071 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 5306 transitions. [2025-02-05 17:09:22,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 5306 transitions. [2025-02-05 17:09:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:22,074 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:22,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:22,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 17:09:22,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:22,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1336391770, now seen corresponding path program 1 times [2025-02-05 17:09:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:22,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139718819] [2025-02-05 17:09:22,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:22,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:22,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:22,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:22,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:22,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:22,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:22,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139718819] [2025-02-05 17:09:22,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139718819] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:22,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:22,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637119455] [2025-02-05 17:09:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:22,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:22,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:22,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:22,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:22,459 INFO L87 Difference]: Start difference. First operand 2989 states and 5306 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:23,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:23,359 INFO L93 Difference]: Finished difference Result 4380 states and 7505 transitions. [2025-02-05 17:09:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:23,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:23,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:23,390 INFO L225 Difference]: With dead ends: 4380 [2025-02-05 17:09:23,390 INFO L226 Difference]: Without dead ends: 3533 [2025-02-05 17:09:23,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:23,395 INFO L435 NwaCegarLoop]: 4858 mSDtfsCounter, 5240 mSDsluCounter, 14664 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5261 SdHoareTripleChecker+Valid, 19522 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:23,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5261 Valid, 19522 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:09:23,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3533 states. [2025-02-05 17:09:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3533 to 3392. [2025-02-05 17:09:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3392 states, 3297 states have (on average 1.7518956627236881) internal successors, (5776), 3302 states have internal predecessors, (5776), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (75), 72 states have call predecessors, (75), 71 states have call successors, (75) [2025-02-05 17:09:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 5924 transitions. [2025-02-05 17:09:23,569 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 5924 transitions. Word has length 190 [2025-02-05 17:09:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:23,570 INFO L471 AbstractCegarLoop]: Abstraction has 3392 states and 5924 transitions. [2025-02-05 17:09:23,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 5924 transitions. [2025-02-05 17:09:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:23,572 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:23,572 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:23,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 17:09:23,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:23,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:23,576 INFO L85 PathProgramCache]: Analyzing trace with hash 474087609, now seen corresponding path program 1 times [2025-02-05 17:09:23,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:23,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88200640] [2025-02-05 17:09:23,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:23,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:23,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:23,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:23,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:23,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:24,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:24,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88200640] [2025-02-05 17:09:24,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88200640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:24,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:24,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:24,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225214938] [2025-02-05 17:09:24,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:24,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:24,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:24,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:24,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:24,022 INFO L87 Difference]: Start difference. First operand 3392 states and 5924 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:24,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:24,848 INFO L93 Difference]: Finished difference Result 5662 states and 9504 transitions. [2025-02-05 17:09:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:24,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:24,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:24,871 INFO L225 Difference]: With dead ends: 5662 [2025-02-05 17:09:24,871 INFO L226 Difference]: Without dead ends: 4412 [2025-02-05 17:09:24,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:24,878 INFO L435 NwaCegarLoop]: 4854 mSDtfsCounter, 5235 mSDsluCounter, 14652 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5256 SdHoareTripleChecker+Valid, 19506 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:24,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5256 Valid, 19506 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:09:24,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2025-02-05 17:09:24,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4249. [2025-02-05 17:09:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4249 states, 4094 states have (on average 1.7129946262823645) internal successors, (7013), 4103 states have internal predecessors, (7013), 117 states have call successors, (117), 31 states have call predecessors, (117), 36 states have return successors, (131), 118 states have call predecessors, (131), 115 states have call successors, (131) [2025-02-05 17:09:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 4249 states and 7261 transitions. [2025-02-05 17:09:25,016 INFO L78 Accepts]: Start accepts. Automaton has 4249 states and 7261 transitions. Word has length 190 [2025-02-05 17:09:25,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:25,017 INFO L471 AbstractCegarLoop]: Abstraction has 4249 states and 7261 transitions. [2025-02-05 17:09:25,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4249 states and 7261 transitions. [2025-02-05 17:09:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:25,022 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:25,022 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:25,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 17:09:25,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:25,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:25,023 INFO L85 PathProgramCache]: Analyzing trace with hash 723366010, now seen corresponding path program 1 times [2025-02-05 17:09:25,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:25,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317624522] [2025-02-05 17:09:25,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:25,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:25,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:25,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:25,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:25,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:25,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:25,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317624522] [2025-02-05 17:09:25,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317624522] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:25,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:25,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:25,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166075422] [2025-02-05 17:09:25,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:25,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:25,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:25,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:25,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:25,197 INFO L87 Difference]: Start difference. First operand 4249 states and 7261 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:25,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:25,930 INFO L93 Difference]: Finished difference Result 8425 states and 13903 transitions. [2025-02-05 17:09:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:25,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:25,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:26,016 INFO L225 Difference]: With dead ends: 8425 [2025-02-05 17:09:26,017 INFO L226 Difference]: Without dead ends: 6318 [2025-02-05 17:09:26,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:26,022 INFO L435 NwaCegarLoop]: 4851 mSDtfsCounter, 5230 mSDsluCounter, 14643 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5251 SdHoareTripleChecker+Valid, 19494 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:26,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5251 Valid, 19494 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:09:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states. [2025-02-05 17:09:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 6110. [2025-02-05 17:09:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6110 states, 5829 states have (on average 1.6745582432664265) internal successors, (9761), 5852 states have internal predecessors, (9761), 205 states have call successors, (205), 55 states have call predecessors, (205), 74 states have return successors, (267), 210 states have call predecessors, (267), 203 states have call successors, (267) [2025-02-05 17:09:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6110 states to 6110 states and 10233 transitions. [2025-02-05 17:09:26,175 INFO L78 Accepts]: Start accepts. Automaton has 6110 states and 10233 transitions. Word has length 190 [2025-02-05 17:09:26,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:26,175 INFO L471 AbstractCegarLoop]: Abstraction has 6110 states and 10233 transitions. [2025-02-05 17:09:26,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6110 states and 10233 transitions. [2025-02-05 17:09:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:26,178 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:26,178 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:26,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 17:09:26,179 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:26,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:26,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1008501913, now seen corresponding path program 1 times [2025-02-05 17:09:26,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:26,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813602695] [2025-02-05 17:09:26,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:26,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:26,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:26,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:26,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:26,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:26,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:26,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813602695] [2025-02-05 17:09:26,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813602695] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:26,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:26,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:26,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414871274] [2025-02-05 17:09:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:26,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:26,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:26,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:26,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:26,330 INFO L87 Difference]: Start difference. First operand 6110 states and 10233 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:27,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:27,096 INFO L93 Difference]: Finished difference Result 14520 states and 23881 transitions. [2025-02-05 17:09:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:27,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:27,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:27,131 INFO L225 Difference]: With dead ends: 14520 [2025-02-05 17:09:27,131 INFO L226 Difference]: Without dead ends: 10552 [2025-02-05 17:09:27,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:27,145 INFO L435 NwaCegarLoop]: 4848 mSDtfsCounter, 5225 mSDsluCounter, 14634 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5246 SdHoareTripleChecker+Valid, 19482 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:27,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5246 Valid, 19482 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:09:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10552 states. [2025-02-05 17:09:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10552 to 10255. [2025-02-05 17:09:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10255 states, 9704 states have (on average 1.653441879637263) internal successors, (16045), 9773 states have internal predecessors, (16045), 381 states have call successors, (381), 103 states have call predecessors, (381), 168 states have return successors, (635), 394 states have call predecessors, (635), 379 states have call successors, (635) [2025-02-05 17:09:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10255 states to 10255 states and 17061 transitions. [2025-02-05 17:09:27,473 INFO L78 Accepts]: Start accepts. Automaton has 10255 states and 17061 transitions. Word has length 190 [2025-02-05 17:09:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:27,474 INFO L471 AbstractCegarLoop]: Abstraction has 10255 states and 17061 transitions. [2025-02-05 17:09:27,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 10255 states and 17061 transitions. [2025-02-05 17:09:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:27,483 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:27,483 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:27,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 17:09:27,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:27,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1710436506, now seen corresponding path program 1 times [2025-02-05 17:09:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:27,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395454905] [2025-02-05 17:09:27,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:27,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:27,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:27,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:27,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:27,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:27,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395454905] [2025-02-05 17:09:27,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395454905] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:27,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:27,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:27,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136888662] [2025-02-05 17:09:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:27,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:27,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:27,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:27,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:27,663 INFO L87 Difference]: Start difference. First operand 10255 states and 17061 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:28,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:28,756 INFO L93 Difference]: Finished difference Result 28343 states and 47355 transitions. [2025-02-05 17:09:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:28,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:28,832 INFO L225 Difference]: With dead ends: 28343 [2025-02-05 17:09:28,832 INFO L226 Difference]: Without dead ends: 20230 [2025-02-05 17:09:28,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:28,855 INFO L435 NwaCegarLoop]: 4845 mSDtfsCounter, 5220 mSDsluCounter, 14625 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5241 SdHoareTripleChecker+Valid, 19470 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:28,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5241 Valid, 19470 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:09:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20230 states. [2025-02-05 17:09:29,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20230 to 19760. [2025-02-05 17:09:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19760 states, 18615 states have (on average 1.6585012087026592) internal successors, (30873), 18830 states have internal predecessors, (30873), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:09:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19760 states to 19760 states and 33361 transitions. [2025-02-05 17:09:29,688 INFO L78 Accepts]: Start accepts. Automaton has 19760 states and 33361 transitions. Word has length 190 [2025-02-05 17:09:29,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:29,688 INFO L471 AbstractCegarLoop]: Abstraction has 19760 states and 33361 transitions. [2025-02-05 17:09:29,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 19760 states and 33361 transitions. [2025-02-05 17:09:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:29,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:29,696 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:29,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 17:09:29,696 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:29,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:29,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1317437561, now seen corresponding path program 1 times [2025-02-05 17:09:29,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:29,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578348185] [2025-02-05 17:09:29,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:29,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:29,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:29,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:29,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:29,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:29,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578348185] [2025-02-05 17:09:29,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578348185] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:29,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:29,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:29,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685334702] [2025-02-05 17:09:29,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:29,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:29,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:29,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:29,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:29,852 INFO L87 Difference]: Start difference. First operand 19760 states and 33361 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:30,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:30,556 INFO L93 Difference]: Finished difference Result 42768 states and 73864 transitions. [2025-02-05 17:09:30,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:09:30,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:30,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:30,649 INFO L225 Difference]: With dead ends: 42768 [2025-02-05 17:09:30,649 INFO L226 Difference]: Without dead ends: 25150 [2025-02-05 17:09:30,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:30,701 INFO L435 NwaCegarLoop]: 4464 mSDtfsCounter, 4861 mSDsluCounter, 8759 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4882 SdHoareTripleChecker+Valid, 13223 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:30,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4882 Valid, 13223 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:09:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25150 states. [2025-02-05 17:09:31,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25150 to 19760. [2025-02-05 17:09:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19760 states, 18615 states have (on average 1.6567284448025785) internal successors, (30840), 18830 states have internal predecessors, (30840), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:09:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19760 states to 19760 states and 33328 transitions. [2025-02-05 17:09:31,488 INFO L78 Accepts]: Start accepts. Automaton has 19760 states and 33328 transitions. Word has length 190 [2025-02-05 17:09:31,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:31,488 INFO L471 AbstractCegarLoop]: Abstraction has 19760 states and 33328 transitions. [2025-02-05 17:09:31,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19760 states and 33328 transitions. [2025-02-05 17:09:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:31,499 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:31,499 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:31,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 17:09:31,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:31,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:31,500 INFO L85 PathProgramCache]: Analyzing trace with hash -496355142, now seen corresponding path program 1 times [2025-02-05 17:09:31,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:31,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898822188] [2025-02-05 17:09:31,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:31,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:31,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:31,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:31,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:31,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:31,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898822188] [2025-02-05 17:09:31,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898822188] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:31,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:31,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:31,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61475067] [2025-02-05 17:09:31,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:31,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:31,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:31,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:31,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:31,647 INFO L87 Difference]: Start difference. First operand 19760 states and 33328 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:32,390 INFO L93 Difference]: Finished difference Result 42523 states and 73308 transitions. [2025-02-05 17:09:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:09:32,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:32,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:32,463 INFO L225 Difference]: With dead ends: 42523 [2025-02-05 17:09:32,463 INFO L226 Difference]: Without dead ends: 24905 [2025-02-05 17:09:32,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:32,495 INFO L435 NwaCegarLoop]: 4461 mSDtfsCounter, 4858 mSDsluCounter, 8754 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 13215 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:32,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 13215 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:09:32,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24905 states. [2025-02-05 17:09:32,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24905 to 19760. [2025-02-05 17:09:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19760 states, 18615 states have (on average 1.654955680902498) internal successors, (30807), 18830 states have internal predecessors, (30807), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:09:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19760 states to 19760 states and 33295 transitions. [2025-02-05 17:09:32,975 INFO L78 Accepts]: Start accepts. Automaton has 19760 states and 33295 transitions. Word has length 190 [2025-02-05 17:09:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:32,975 INFO L471 AbstractCegarLoop]: Abstraction has 19760 states and 33295 transitions. [2025-02-05 17:09:32,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19760 states and 33295 transitions. [2025-02-05 17:09:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:32,982 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:32,982 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:32,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-05 17:09:32,983 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:32,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:32,983 INFO L85 PathProgramCache]: Analyzing trace with hash 553514073, now seen corresponding path program 1 times [2025-02-05 17:09:32,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:32,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056068214] [2025-02-05 17:09:32,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:32,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:32,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:32,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:32,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:32,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:33,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:33,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056068214] [2025-02-05 17:09:33,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056068214] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:33,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:33,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:33,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274234789] [2025-02-05 17:09:33,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:33,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:33,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:33,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:33,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:33,091 INFO L87 Difference]: Start difference. First operand 19760 states and 33295 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:33,937 INFO L93 Difference]: Finished difference Result 42033 states and 72262 transitions. [2025-02-05 17:09:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:09:33,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:34,042 INFO L225 Difference]: With dead ends: 42033 [2025-02-05 17:09:34,043 INFO L226 Difference]: Without dead ends: 24415 [2025-02-05 17:09:34,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:34,088 INFO L435 NwaCegarLoop]: 4456 mSDtfsCounter, 4854 mSDsluCounter, 8745 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 13201 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:34,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4875 Valid, 13201 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:09:34,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24415 states. [2025-02-05 17:09:34,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24415 to 19760. [2025-02-05 17:09:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19760 states, 18615 states have (on average 1.6531829170024175) internal successors, (30774), 18830 states have internal predecessors, (30774), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:09:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19760 states to 19760 states and 33262 transitions. [2025-02-05 17:09:34,611 INFO L78 Accepts]: Start accepts. Automaton has 19760 states and 33262 transitions. Word has length 190 [2025-02-05 17:09:34,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:34,612 INFO L471 AbstractCegarLoop]: Abstraction has 19760 states and 33262 transitions. [2025-02-05 17:09:34,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 19760 states and 33262 transitions. [2025-02-05 17:09:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:34,619 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:34,619 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:34,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-05 17:09:34,619 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:34,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:34,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1103492168, now seen corresponding path program 1 times [2025-02-05 17:09:34,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:34,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857041798] [2025-02-05 17:09:34,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:34,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:34,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:34,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:34,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:34,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:34,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:34,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857041798] [2025-02-05 17:09:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857041798] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:34,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:34,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809879224] [2025-02-05 17:09:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:34,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:34,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:34,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:34,903 INFO L87 Difference]: Start difference. First operand 19760 states and 33262 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:35,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:35,565 INFO L93 Difference]: Finished difference Result 41788 states and 71706 transitions. [2025-02-05 17:09:35,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:09:35,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:35,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:35,649 INFO L225 Difference]: With dead ends: 41788 [2025-02-05 17:09:35,650 INFO L226 Difference]: Without dead ends: 24170 [2025-02-05 17:09:35,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:35,694 INFO L435 NwaCegarLoop]: 4453 mSDtfsCounter, 4851 mSDsluCounter, 8740 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4872 SdHoareTripleChecker+Valid, 13193 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:35,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4872 Valid, 13193 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:09:35,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24170 states. [2025-02-05 17:09:36,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24170 to 19760. [2025-02-05 17:09:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19760 states, 18615 states have (on average 1.6514101531023369) internal successors, (30741), 18830 states have internal predecessors, (30741), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:09:36,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19760 states to 19760 states and 33229 transitions. [2025-02-05 17:09:36,389 INFO L78 Accepts]: Start accepts. Automaton has 19760 states and 33229 transitions. Word has length 190 [2025-02-05 17:09:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:36,390 INFO L471 AbstractCegarLoop]: Abstraction has 19760 states and 33229 transitions. [2025-02-05 17:09:36,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 19760 states and 33229 transitions. [2025-02-05 17:09:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:36,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:36,399 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:36,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-05 17:09:36,399 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:36,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:36,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1988227975, now seen corresponding path program 1 times [2025-02-05 17:09:36,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:36,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264288920] [2025-02-05 17:09:36,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:36,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:36,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:36,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:36,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:36,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:36,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264288920] [2025-02-05 17:09:36,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264288920] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:36,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:36,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:36,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125287867] [2025-02-05 17:09:36,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:36,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:36,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:36,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:36,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:36,534 INFO L87 Difference]: Start difference. First operand 19760 states and 33229 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:37,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:37,538 INFO L93 Difference]: Finished difference Result 41543 states and 71150 transitions. [2025-02-05 17:09:37,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:09:37,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:37,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:37,620 INFO L225 Difference]: With dead ends: 41543 [2025-02-05 17:09:37,620 INFO L226 Difference]: Without dead ends: 23925 [2025-02-05 17:09:37,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:37,674 INFO L435 NwaCegarLoop]: 4450 mSDtfsCounter, 4848 mSDsluCounter, 8735 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 13185 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:37,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4869 Valid, 13185 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:09:37,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23925 states. [2025-02-05 17:09:38,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23925 to 19760. [2025-02-05 17:09:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19760 states, 18615 states have (on average 1.6496373892022562) internal successors, (30708), 18830 states have internal predecessors, (30708), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:09:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19760 states to 19760 states and 33196 transitions. [2025-02-05 17:09:38,277 INFO L78 Accepts]: Start accepts. Automaton has 19760 states and 33196 transitions. Word has length 190 [2025-02-05 17:09:38,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:38,277 INFO L471 AbstractCegarLoop]: Abstraction has 19760 states and 33196 transitions. [2025-02-05 17:09:38,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 19760 states and 33196 transitions. [2025-02-05 17:09:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:38,342 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:38,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:38,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-05 17:09:38,343 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:38,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2001104792, now seen corresponding path program 1 times [2025-02-05 17:09:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:38,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810608379] [2025-02-05 17:09:38,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:38,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:38,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:38,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:38,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:38,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:38,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:38,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810608379] [2025-02-05 17:09:38,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810608379] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:38,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:38,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:38,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674097108] [2025-02-05 17:09:38,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:38,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:38,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:38,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:38,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:38,445 INFO L87 Difference]: Start difference. First operand 19760 states and 33196 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:39,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:39,770 INFO L93 Difference]: Finished difference Result 59006 states and 101090 transitions. [2025-02-05 17:09:39,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:39,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:39,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:39,888 INFO L225 Difference]: With dead ends: 59006 [2025-02-05 17:09:39,889 INFO L226 Difference]: Without dead ends: 41388 [2025-02-05 17:09:39,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:39,941 INFO L435 NwaCegarLoop]: 4813 mSDtfsCounter, 5172 mSDsluCounter, 14536 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5193 SdHoareTripleChecker+Valid, 19349 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:39,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5193 Valid, 19349 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:09:39,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41388 states. [2025-02-05 17:09:41,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41388 to 40795. [2025-02-05 17:09:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40795 states, 38300 states have (on average 1.6645430809399477) internal successors, (63752), 38969 states have internal predecessors, (63752), 1437 states have call successors, (1437), 391 states have call predecessors, (1437), 1056 states have return successors, (5531), 1498 states have call predecessors, (5531), 1435 states have call successors, (5531) [2025-02-05 17:09:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40795 states to 40795 states and 70720 transitions. [2025-02-05 17:09:41,297 INFO L78 Accepts]: Start accepts. Automaton has 40795 states and 70720 transitions. Word has length 190 [2025-02-05 17:09:41,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:41,298 INFO L471 AbstractCegarLoop]: Abstraction has 40795 states and 70720 transitions. [2025-02-05 17:09:41,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 40795 states and 70720 transitions. [2025-02-05 17:09:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:41,306 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:41,306 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:41,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-05 17:09:41,306 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:41,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1298508953, now seen corresponding path program 1 times [2025-02-05 17:09:41,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:41,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472493260] [2025-02-05 17:09:41,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:41,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:41,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:41,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:41,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:41,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:41,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472493260] [2025-02-05 17:09:41,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472493260] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:41,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:41,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:09:41,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649542091] [2025-02-05 17:09:41,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:41,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:09:41,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:41,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:09:41,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:41,403 INFO L87 Difference]: Start difference. First operand 40795 states and 70720 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:44,389 INFO L93 Difference]: Finished difference Result 135747 states and 242773 transitions. [2025-02-05 17:09:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:09:44,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:44,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:44,809 INFO L225 Difference]: With dead ends: 135747 [2025-02-05 17:09:44,809 INFO L226 Difference]: Without dead ends: 97094 [2025-02-05 17:09:44,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:09:44,947 INFO L435 NwaCegarLoop]: 4808 mSDtfsCounter, 5571 mSDsluCounter, 14516 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5606 SdHoareTripleChecker+Valid, 19324 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:44,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5606 Valid, 19324 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:09:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97094 states. [2025-02-05 17:09:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97094 to 89720. [2025-02-05 17:09:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89720 states, 84103 states have (on average 1.6921631808615627) internal successors, (142316), 86166 states have internal predecessors, (142316), 2781 states have call successors, (2781), 775 states have call predecessors, (2781), 2834 states have return successors, (19163), 2906 states have call predecessors, (19163), 2779 states have call successors, (19163) [2025-02-05 17:09:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89720 states to 89720 states and 164260 transitions. [2025-02-05 17:09:49,309 INFO L78 Accepts]: Start accepts. Automaton has 89720 states and 164260 transitions. Word has length 190 [2025-02-05 17:09:49,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:09:49,313 INFO L471 AbstractCegarLoop]: Abstraction has 89720 states and 164260 transitions. [2025-02-05 17:09:49,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 89720 states and 164260 transitions. [2025-02-05 17:09:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:09:49,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:09:49,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:09:49,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-05 17:09:49,352 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:09:49,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:09:49,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2049291400, now seen corresponding path program 1 times [2025-02-05 17:09:49,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:09:49,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173442253] [2025-02-05 17:09:49,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:09:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:09:49,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:09:49,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:09:49,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:09:49,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:09:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:09:49,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:09:49,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173442253] [2025-02-05 17:09:49,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173442253] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:09:49,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:09:49,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:09:49,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326400739] [2025-02-05 17:09:49,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:09:49,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:09:49,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:09:49,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:09:49,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:09:49,513 INFO L87 Difference]: Start difference. First operand 89720 states and 164260 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:09:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:09:54,013 INFO L93 Difference]: Finished difference Result 207944 states and 395894 transitions. [2025-02-05 17:09:54,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:09:54,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:09:54,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:09:54,467 INFO L225 Difference]: With dead ends: 207944 [2025-02-05 17:09:54,467 INFO L226 Difference]: Without dead ends: 120366 [2025-02-05 17:09:54,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:09:54,767 INFO L435 NwaCegarLoop]: 4443 mSDtfsCounter, 4841 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4862 SdHoareTripleChecker+Valid, 13163 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-05 17:09:54,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4862 Valid, 13163 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-05 17:09:54,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120366 states.