./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06a966cd103a9c61c8e9ebcc5255a2d5a7d1dd56b172674853cec63a372f0a43 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 09:17:55,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 09:17:55,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 09:17:55,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 09:17:55,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 09:17:55,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 09:17:55,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 09:17:55,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 09:17:55,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 09:17:55,783 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 09:17:55,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 09:17:55,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 09:17:55,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 09:17:55,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 09:17:55,785 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 09:17:55,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 09:17:55,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 09:17:55,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 09:17:55,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 09:17:55,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 09:17:55,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 09:17:55,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 09:17:55,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 09:17:55,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 09:17:55,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 09:17:55,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 09:17:55,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 09:17:55,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 09:17:55,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 09:17:55,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 09:17:55,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 09:17:55,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 09:17:55,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:17:55,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 09:17:55,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 09:17:55,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 09:17:55,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 09:17:55,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 09:17:55,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 09:17:55,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 09:17:55,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 09:17:55,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 09:17:55,795 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a966cd103a9c61c8e9ebcc5255a2d5a7d1dd56b172674853cec63a372f0a43 [2024-11-16 09:17:55,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 09:17:56,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 09:17:56,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 09:17:56,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 09:17:56,008 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 09:17:56,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c [2024-11-16 09:17:57,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 09:17:57,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 09:17:57,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c [2024-11-16 09:17:57,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4568e9f8/0a9bc935960846ff850948054bccbe55/FLAGd211d5e4b [2024-11-16 09:17:57,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4568e9f8/0a9bc935960846ff850948054bccbe55 [2024-11-16 09:17:57,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 09:17:57,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 09:17:57,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 09:17:57,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 09:17:57,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 09:17:57,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:57" (1/1) ... [2024-11-16 09:17:57,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d058dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:57, skipping insertion in model container [2024-11-16 09:17:57,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:57" (1/1) ... [2024-11-16 09:17:57,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 09:17:59,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c[375709,375722] [2024-11-16 09:17:59,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c[383339,383352] [2024-11-16 09:17:59,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:17:59,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 09:17:59,871 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c[375709,375722] [2024-11-16 09:17:59,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label48+token_ring.08.cil-1.c[383339,383352] [2024-11-16 09:17:59,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:17:59,943 INFO L204 MainTranslator]: Completed translation [2024-11-16 09:17:59,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59 WrapperNode [2024-11-16 09:17:59,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 09:17:59,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 09:17:59,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 09:17:59,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 09:17:59,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,265 INFO L138 Inliner]: procedures = 60, calls = 65, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 12981 [2024-11-16 09:18:00,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 09:18:00,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 09:18:00,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 09:18:00,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 09:18:00,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,390 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]. [2024-11-16 09:18:00,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,547 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 09:18:00,636 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 09:18:00,637 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 09:18:00,637 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 09:18:00,638 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (1/1) ... [2024-11-16 09:18:00,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:18:00,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:18:00,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 09:18:00,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 09:18:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 09:18:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-16 09:18:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-16 09:18:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-16 09:18:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-16 09:18:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-16 09:18:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-16 09:18:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 09:18:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 09:18:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 09:18:00,808 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 09:18:00,810 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 09:18:06,424 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc calculate_output3_#t~ret16#1; [2024-11-16 09:18:06,424 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc calculate_output5_#t~ret18#1; [2024-11-16 09:18:06,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc calculate_output2_#t~ret15#1; [2024-11-16 09:18:06,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc calculate_output7_#t~ret20#1; [2024-11-16 09:18:06,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc calculate_output6_#t~ret19#1; [2024-11-16 09:18:06,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc calculate_output4_#t~ret17#1; [2024-11-16 09:18:06,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc calculate_output_#t~ret14#1; [2024-11-16 09:18:06,607 INFO L? ?]: Removed 1731 outVars from TransFormulas that were not future-live. [2024-11-16 09:18:06,607 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 09:18:06,655 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 09:18:06,655 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 09:18:06,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:18:06 BoogieIcfgContainer [2024-11-16 09:18:06,656 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 09:18:06,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 09:18:06,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 09:18:06,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 09:18:06,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:17:57" (1/3) ... [2024-11-16 09:18:06,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a4abd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:18:06, skipping insertion in model container [2024-11-16 09:18:06,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:59" (2/3) ... [2024-11-16 09:18:06,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a4abd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:18:06, skipping insertion in model container [2024-11-16 09:18:06,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:18:06" (3/3) ... [2024-11-16 09:18:06,669 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label48+token_ring.08.cil-1.c [2024-11-16 09:18:06,684 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 09:18:06,685 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 09:18:06,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 09:18:06,779 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;@4918207e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 09:18:06,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 09:18:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 2521 states, 2490 states have (on average 1.8293172690763053) internal successors, (4555), 2493 states have internal predecessors, (4555), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 09:18:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:06,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:06,802 INFO L215 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] [2024-11-16 09:18:06,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:06,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:06,805 INFO L85 PathProgramCache]: Analyzing trace with hash 830387985, now seen corresponding path program 1 times [2024-11-16 09:18:06,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:06,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980039682] [2024-11-16 09:18:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:07,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:07,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:07,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980039682] [2024-11-16 09:18:07,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980039682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:07,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:18:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170363425] [2024-11-16 09:18:07,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:07,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:18:07,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:18:07,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:18:07,365 INFO L87 Difference]: Start difference. First operand has 2521 states, 2490 states have (on average 1.8293172690763053) internal successors, (4555), 2493 states have internal predecessors, (4555), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:09,230 INFO L93 Difference]: Finished difference Result 5528 states and 9991 transitions. [2024-11-16 09:18:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:18:09,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:09,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:09,256 INFO L225 Difference]: With dead ends: 5528 [2024-11-16 09:18:09,256 INFO L226 Difference]: Without dead ends: 2951 [2024-11-16 09:18:09,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:09,268 INFO L432 NwaCegarLoop]: 4308 mSDtfsCounter, 5171 mSDsluCounter, 12964 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 17272 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:09,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5186 Valid, 17272 Invalid, 1686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [92 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:18:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2024-11-16 09:18:09,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2755. [2024-11-16 09:18:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2701 states have (on average 1.785264716771566) internal successors, (4822), 2704 states have internal predecessors, (4822), 39 states have call successors, (39), 12 states have call predecessors, (39), 13 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2024-11-16 09:18:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 4903 transitions. [2024-11-16 09:18:09,379 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 4903 transitions. Word has length 139 [2024-11-16 09:18:09,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:09,380 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 4903 transitions. [2024-11-16 09:18:09,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 4903 transitions. [2024-11-16 09:18:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:09,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:09,383 INFO L215 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] [2024-11-16 09:18:09,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 09:18:09,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:09,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1739340017, now seen corresponding path program 1 times [2024-11-16 09:18:09,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:09,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933999637] [2024-11-16 09:18:09,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:09,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:09,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:09,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:09,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:09,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:09,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933999637] [2024-11-16 09:18:09,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933999637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:09,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:09,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:09,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021741769] [2024-11-16 09:18:09,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:09,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:09,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:09,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:09,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:09,618 INFO L87 Difference]: Start difference. First operand 2755 states and 4903 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:10,800 INFO L93 Difference]: Finished difference Result 3580 states and 6181 transitions. [2024-11-16 09:18:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:18:10,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:10,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:10,811 INFO L225 Difference]: With dead ends: 3580 [2024-11-16 09:18:10,811 INFO L226 Difference]: Without dead ends: 2964 [2024-11-16 09:18:10,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:10,814 INFO L432 NwaCegarLoop]: 4222 mSDtfsCounter, 4803 mSDsluCounter, 16686 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4819 SdHoareTripleChecker+Valid, 20908 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:10,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4819 Valid, 20908 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 09:18:10,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2964 states. [2024-11-16 09:18:10,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2964 to 2755. [2024-11-16 09:18:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2701 states have (on average 1.784524250277675) internal successors, (4820), 2704 states have internal predecessors, (4820), 39 states have call successors, (39), 12 states have call predecessors, (39), 13 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2024-11-16 09:18:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 4901 transitions. [2024-11-16 09:18:10,939 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 4901 transitions. Word has length 139 [2024-11-16 09:18:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:10,940 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 4901 transitions. [2024-11-16 09:18:10,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 4901 transitions. [2024-11-16 09:18:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:10,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:10,943 INFO L215 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] [2024-11-16 09:18:10,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 09:18:10,944 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:10,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:10,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1914541136, now seen corresponding path program 1 times [2024-11-16 09:18:10,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:10,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881779647] [2024-11-16 09:18:10,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:10,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:11,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:11,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:11,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:11,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:11,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881779647] [2024-11-16 09:18:11,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881779647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:11,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:11,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:11,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051169887] [2024-11-16 09:18:11,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:11,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:11,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:11,171 INFO L87 Difference]: Start difference. First operand 2755 states and 4901 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:13,354 INFO L93 Difference]: Finished difference Result 3985 states and 6790 transitions. [2024-11-16 09:18:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:18:13,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:13,366 INFO L225 Difference]: With dead ends: 3985 [2024-11-16 09:18:13,367 INFO L226 Difference]: Without dead ends: 3369 [2024-11-16 09:18:13,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:18:13,370 INFO L432 NwaCegarLoop]: 4452 mSDtfsCounter, 5111 mSDsluCounter, 17581 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5126 SdHoareTripleChecker+Valid, 22033 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:13,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5126 Valid, 22033 Invalid, 2574 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 2521 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 09:18:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2024-11-16 09:18:13,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3049. [2024-11-16 09:18:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3049 states, 2971 states have (on average 1.7549646583641871) internal successors, (5214), 2975 states have internal predecessors, (5214), 56 states have call successors, (56), 18 states have call predecessors, (56), 20 states have return successors, (61), 57 states have call predecessors, (61), 56 states have call successors, (61) [2024-11-16 09:18:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 3049 states and 5331 transitions. [2024-11-16 09:18:13,447 INFO L78 Accepts]: Start accepts. Automaton has 3049 states and 5331 transitions. Word has length 139 [2024-11-16 09:18:13,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:13,447 INFO L471 AbstractCegarLoop]: Abstraction has 3049 states and 5331 transitions. [2024-11-16 09:18:13,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 5331 transitions. [2024-11-16 09:18:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:13,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:13,450 INFO L215 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] [2024-11-16 09:18:13,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 09:18:13,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:13,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:13,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1154180369, now seen corresponding path program 1 times [2024-11-16 09:18:13,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:13,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661258631] [2024-11-16 09:18:13,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:13,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:13,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:13,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:13,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:13,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661258631] [2024-11-16 09:18:13,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661258631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:13,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:13,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:13,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783119316] [2024-11-16 09:18:13,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:13,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:13,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:13,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:13,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:13,622 INFO L87 Difference]: Start difference. First operand 3049 states and 5331 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:15,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:15,496 INFO L93 Difference]: Finished difference Result 5067 states and 8422 transitions. [2024-11-16 09:18:15,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:18:15,497 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:15,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:15,510 INFO L225 Difference]: With dead ends: 5067 [2024-11-16 09:18:15,510 INFO L226 Difference]: Without dead ends: 4157 [2024-11-16 09:18:15,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:18:15,513 INFO L432 NwaCegarLoop]: 4450 mSDtfsCounter, 5109 mSDsluCounter, 17581 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5124 SdHoareTripleChecker+Valid, 22031 SdHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:15,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5124 Valid, 22031 Invalid, 2564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:18:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4157 states. [2024-11-16 09:18:15,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4157 to 3639. [2024-11-16 09:18:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3639 states, 3513 states have (on average 1.709365214916026) internal successors, (6005), 3519 states have internal predecessors, (6005), 90 states have call successors, (90), 30 states have call predecessors, (90), 34 states have return successors, (103), 93 states have call predecessors, (103), 90 states have call successors, (103) [2024-11-16 09:18:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3639 states and 6198 transitions. [2024-11-16 09:18:15,602 INFO L78 Accepts]: Start accepts. Automaton has 3639 states and 6198 transitions. Word has length 139 [2024-11-16 09:18:15,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:15,602 INFO L471 AbstractCegarLoop]: Abstraction has 3639 states and 6198 transitions. [2024-11-16 09:18:15,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 6198 transitions. [2024-11-16 09:18:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:15,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:15,604 INFO L215 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] [2024-11-16 09:18:15,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 09:18:15,604 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:15,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:15,605 INFO L85 PathProgramCache]: Analyzing trace with hash 132301936, now seen corresponding path program 1 times [2024-11-16 09:18:15,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:15,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399691739] [2024-11-16 09:18:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:15,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:15,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:15,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:15,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399691739] [2024-11-16 09:18:15,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399691739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:15,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:15,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:15,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426540792] [2024-11-16 09:18:15,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:15,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:15,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:15,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:15,765 INFO L87 Difference]: Start difference. First operand 3639 states and 6198 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:17,494 INFO L93 Difference]: Finished difference Result 7163 states and 11565 transitions. [2024-11-16 09:18:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:18:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:17,508 INFO L225 Difference]: With dead ends: 7163 [2024-11-16 09:18:17,509 INFO L226 Difference]: Without dead ends: 5663 [2024-11-16 09:18:17,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:18:17,512 INFO L432 NwaCegarLoop]: 4246 mSDtfsCounter, 5188 mSDsluCounter, 16959 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 21205 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:17,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5203 Valid, 21205 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 09:18:17,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5663 states. [2024-11-16 09:18:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5663 to 4821. [2024-11-16 09:18:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 4599 states have (on average 1.650141335072842) internal successors, (7589), 4609 states have internal predecessors, (7589), 158 states have call successors, (158), 54 states have call predecessors, (158), 62 states have return successors, (193), 165 states have call predecessors, (193), 158 states have call successors, (193) [2024-11-16 09:18:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 7940 transitions. [2024-11-16 09:18:17,633 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 7940 transitions. Word has length 139 [2024-11-16 09:18:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:17,633 INFO L471 AbstractCegarLoop]: Abstraction has 4821 states and 7940 transitions. [2024-11-16 09:18:17,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 7940 transitions. [2024-11-16 09:18:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:17,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:17,636 INFO L215 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] [2024-11-16 09:18:17,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 09:18:17,637 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:17,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:17,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2113464015, now seen corresponding path program 1 times [2024-11-16 09:18:17,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:17,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848237106] [2024-11-16 09:18:17,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:17,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:17,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:17,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:17,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:17,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848237106] [2024-11-16 09:18:17,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848237106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:17,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:17,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299213923] [2024-11-16 09:18:17,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:17,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:17,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:17,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:17,804 INFO L87 Difference]: Start difference. First operand 4821 states and 7940 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:19,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:19,782 INFO L93 Difference]: Finished difference Result 11355 states and 17869 transitions. [2024-11-16 09:18:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:18:19,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:19,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:19,809 INFO L225 Difference]: With dead ends: 11355 [2024-11-16 09:18:19,809 INFO L226 Difference]: Without dead ends: 8673 [2024-11-16 09:18:19,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:18:19,820 INFO L432 NwaCegarLoop]: 4450 mSDtfsCounter, 5101 mSDsluCounter, 17581 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5116 SdHoareTripleChecker+Valid, 22031 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:19,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5116 Valid, 22031 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:18:19,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8673 states. [2024-11-16 09:18:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8673 to 7191. [2024-11-16 09:18:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7191 states, 6777 states have (on average 1.5884609709310904) internal successors, (10765), 6795 states have internal predecessors, (10765), 294 states have call successors, (294), 102 states have call predecessors, (294), 118 states have return successors, (391), 309 states have call predecessors, (391), 294 states have call successors, (391) [2024-11-16 09:18:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7191 states to 7191 states and 11450 transitions. [2024-11-16 09:18:20,037 INFO L78 Accepts]: Start accepts. Automaton has 7191 states and 11450 transitions. Word has length 139 [2024-11-16 09:18:20,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:20,038 INFO L471 AbstractCegarLoop]: Abstraction has 7191 states and 11450 transitions. [2024-11-16 09:18:20,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 7191 states and 11450 transitions. [2024-11-16 09:18:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:20,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:20,043 INFO L215 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] [2024-11-16 09:18:20,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 09:18:20,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:20,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:20,044 INFO L85 PathProgramCache]: Analyzing trace with hash 930446480, now seen corresponding path program 1 times [2024-11-16 09:18:20,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:20,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770280705] [2024-11-16 09:18:20,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:20,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:20,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:20,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:20,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:20,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:20,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770280705] [2024-11-16 09:18:20,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770280705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:20,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:20,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:20,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995715587] [2024-11-16 09:18:20,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:20,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:20,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:20,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:20,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:20,206 INFO L87 Difference]: Start difference. First operand 7191 states and 11450 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:22,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:22,466 INFO L93 Difference]: Finished difference Result 19739 states and 30537 transitions. [2024-11-16 09:18:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:18:22,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:22,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:22,513 INFO L225 Difference]: With dead ends: 19739 [2024-11-16 09:18:22,513 INFO L226 Difference]: Without dead ends: 14687 [2024-11-16 09:18:22,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:18:22,530 INFO L432 NwaCegarLoop]: 4450 mSDtfsCounter, 5097 mSDsluCounter, 17581 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5112 SdHoareTripleChecker+Valid, 22031 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:22,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5112 Valid, 22031 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2482 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:18:22,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14687 states. [2024-11-16 09:18:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14687 to 11945. [2024-11-16 09:18:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11945 states, 11147 states have (on average 1.5373643132681438) internal successors, (17137), 11181 states have internal predecessors, (17137), 566 states have call successors, (566), 198 states have call predecessors, (566), 230 states have return successors, (841), 597 states have call predecessors, (841), 566 states have call successors, (841) [2024-11-16 09:18:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11945 states to 11945 states and 18544 transitions. [2024-11-16 09:18:22,977 INFO L78 Accepts]: Start accepts. Automaton has 11945 states and 18544 transitions. Word has length 139 [2024-11-16 09:18:22,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:22,977 INFO L471 AbstractCegarLoop]: Abstraction has 11945 states and 18544 transitions. [2024-11-16 09:18:22,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 11945 states and 18544 transitions. [2024-11-16 09:18:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:22,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:22,984 INFO L215 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] [2024-11-16 09:18:22,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 09:18:22,985 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:22,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash -216094033, now seen corresponding path program 1 times [2024-11-16 09:18:22,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:22,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062824093] [2024-11-16 09:18:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:22,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:23,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:23,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:23,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062824093] [2024-11-16 09:18:23,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062824093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:23,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:23,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690767931] [2024-11-16 09:18:23,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:23,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:23,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:23,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:23,145 INFO L87 Difference]: Start difference. First operand 11945 states and 18544 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:24,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:24,603 INFO L93 Difference]: Finished difference Result 24634 states and 38119 transitions. [2024-11-16 09:18:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:18:24,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:24,642 INFO L225 Difference]: With dead ends: 24634 [2024-11-16 09:18:24,643 INFO L226 Difference]: Without dead ends: 14828 [2024-11-16 09:18:24,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:24,669 INFO L432 NwaCegarLoop]: 4221 mSDtfsCounter, 4810 mSDsluCounter, 16686 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4826 SdHoareTripleChecker+Valid, 20907 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:24,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4826 Valid, 20907 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 09:18:24,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14828 states. [2024-11-16 09:18:25,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14828 to 11945. [2024-11-16 09:18:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11945 states, 11147 states have (on average 1.5344038754821925) internal successors, (17104), 11181 states have internal predecessors, (17104), 566 states have call successors, (566), 198 states have call predecessors, (566), 230 states have return successors, (841), 597 states have call predecessors, (841), 566 states have call successors, (841) [2024-11-16 09:18:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11945 states to 11945 states and 18511 transitions. [2024-11-16 09:18:25,043 INFO L78 Accepts]: Start accepts. Automaton has 11945 states and 18511 transitions. Word has length 139 [2024-11-16 09:18:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:25,045 INFO L471 AbstractCegarLoop]: Abstraction has 11945 states and 18511 transitions. [2024-11-16 09:18:25,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 11945 states and 18511 transitions. [2024-11-16 09:18:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:25,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:25,053 INFO L215 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] [2024-11-16 09:18:25,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 09:18:25,053 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:25,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:25,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1500005200, now seen corresponding path program 1 times [2024-11-16 09:18:25,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:25,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816316472] [2024-11-16 09:18:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:25,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:25,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:25,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:25,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:25,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816316472] [2024-11-16 09:18:25,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816316472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:25,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:25,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:25,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762189754] [2024-11-16 09:18:25,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:25,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:25,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:25,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:25,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:25,196 INFO L87 Difference]: Start difference. First operand 11945 states and 18511 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:26,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:26,541 INFO L93 Difference]: Finished difference Result 24599 states and 37951 transitions. [2024-11-16 09:18:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:18:26,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:26,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:26,580 INFO L225 Difference]: With dead ends: 24599 [2024-11-16 09:18:26,580 INFO L226 Difference]: Without dead ends: 14793 [2024-11-16 09:18:26,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:26,605 INFO L432 NwaCegarLoop]: 4221 mSDtfsCounter, 4808 mSDsluCounter, 16686 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4824 SdHoareTripleChecker+Valid, 20907 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:26,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4824 Valid, 20907 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:18:26,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14793 states. [2024-11-16 09:18:27,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14793 to 11945. [2024-11-16 09:18:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11945 states, 11147 states have (on average 1.5314434376962411) internal successors, (17071), 11181 states have internal predecessors, (17071), 566 states have call successors, (566), 198 states have call predecessors, (566), 230 states have return successors, (841), 597 states have call predecessors, (841), 566 states have call successors, (841) [2024-11-16 09:18:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11945 states to 11945 states and 18478 transitions. [2024-11-16 09:18:27,076 INFO L78 Accepts]: Start accepts. Automaton has 11945 states and 18478 transitions. Word has length 139 [2024-11-16 09:18:27,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:27,077 INFO L471 AbstractCegarLoop]: Abstraction has 11945 states and 18478 transitions. [2024-11-16 09:18:27,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 11945 states and 18478 transitions. [2024-11-16 09:18:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:27,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:27,083 INFO L215 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] [2024-11-16 09:18:27,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 09:18:27,084 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:27,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1264327025, now seen corresponding path program 1 times [2024-11-16 09:18:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:27,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105640600] [2024-11-16 09:18:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:27,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:27,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:27,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:27,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105640600] [2024-11-16 09:18:27,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105640600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:27,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:27,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:27,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128475537] [2024-11-16 09:18:27,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:27,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:27,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:27,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:27,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:27,227 INFO L87 Difference]: Start difference. First operand 11945 states and 18478 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:30,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:30,106 INFO L93 Difference]: Finished difference Result 40307 states and 61487 transitions. [2024-11-16 09:18:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:18:30,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:30,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:30,175 INFO L225 Difference]: With dead ends: 40307 [2024-11-16 09:18:30,176 INFO L226 Difference]: Without dead ends: 30501 [2024-11-16 09:18:30,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:18:30,197 INFO L432 NwaCegarLoop]: 4448 mSDtfsCounter, 5407 mSDsluCounter, 17573 mSDsCounter, 0 mSdLazyCounter, 2418 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5431 SdHoareTripleChecker+Valid, 22021 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:30,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5431 Valid, 22021 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2418 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 09:18:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30501 states. [2024-11-16 09:18:30,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30501 to 21451. [2024-11-16 09:18:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21451 states, 19917 states have (on average 1.4960586433699854) internal successors, (29797), 19983 states have internal predecessors, (29797), 1078 states have call successors, (1078), 390 states have call predecessors, (1078), 454 states have return successors, (1871), 1141 states have call predecessors, (1871), 1078 states have call successors, (1871) [2024-11-16 09:18:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21451 states to 21451 states and 32746 transitions. [2024-11-16 09:18:31,014 INFO L78 Accepts]: Start accepts. Automaton has 21451 states and 32746 transitions. Word has length 139 [2024-11-16 09:18:31,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:31,015 INFO L471 AbstractCegarLoop]: Abstraction has 21451 states and 32746 transitions. [2024-11-16 09:18:31,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 21451 states and 32746 transitions. [2024-11-16 09:18:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:31,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:31,028 INFO L215 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] [2024-11-16 09:18:31,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 09:18:31,029 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:31,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:31,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2088008496, now seen corresponding path program 1 times [2024-11-16 09:18:31,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:31,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015717351] [2024-11-16 09:18:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:31,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:31,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:31,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:31,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:31,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:31,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:31,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:31,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015717351] [2024-11-16 09:18:31,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015717351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:31,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:31,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:31,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548854616] [2024-11-16 09:18:31,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:31,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:31,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:31,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:31,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:31,166 INFO L87 Difference]: Start difference. First operand 21451 states and 32746 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:32,753 INFO L93 Difference]: Finished difference Result 46069 states and 70799 transitions. [2024-11-16 09:18:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:18:32,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:32,819 INFO L225 Difference]: With dead ends: 46069 [2024-11-16 09:18:32,819 INFO L226 Difference]: Without dead ends: 26757 [2024-11-16 09:18:32,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:32,849 INFO L432 NwaCegarLoop]: 4221 mSDtfsCounter, 4923 mSDsluCounter, 12539 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4939 SdHoareTripleChecker+Valid, 16760 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:32,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4939 Valid, 16760 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:18:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26757 states. [2024-11-16 09:18:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26757 to 21451. [2024-11-16 09:18:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21451 states, 19917 states have (on average 1.492795099663604) internal successors, (29732), 19983 states have internal predecessors, (29732), 1078 states have call successors, (1078), 390 states have call predecessors, (1078), 454 states have return successors, (1871), 1141 states have call predecessors, (1871), 1078 states have call successors, (1871) [2024-11-16 09:18:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21451 states to 21451 states and 32681 transitions. [2024-11-16 09:18:33,593 INFO L78 Accepts]: Start accepts. Automaton has 21451 states and 32681 transitions. Word has length 139 [2024-11-16 09:18:33,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:33,594 INFO L471 AbstractCegarLoop]: Abstraction has 21451 states and 32681 transitions. [2024-11-16 09:18:33,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:33,594 INFO L276 IsEmpty]: Start isEmpty. Operand 21451 states and 32681 transitions. [2024-11-16 09:18:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:33,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:33,605 INFO L215 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] [2024-11-16 09:18:33,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 09:18:33,605 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:33,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1006200209, now seen corresponding path program 1 times [2024-11-16 09:18:33,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:33,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456981021] [2024-11-16 09:18:33,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:33,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:33,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:33,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456981021] [2024-11-16 09:18:33,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456981021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:33,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:33,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:33,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601661272] [2024-11-16 09:18:33,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:33,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:33,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:33,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:33,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:33,801 INFO L87 Difference]: Start difference. First operand 21451 states and 32681 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:37,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:37,490 INFO L93 Difference]: Finished difference Result 75755 states and 115371 transitions. [2024-11-16 09:18:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:18:37,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:37,629 INFO L225 Difference]: With dead ends: 75755 [2024-11-16 09:18:37,629 INFO L226 Difference]: Without dead ends: 56443 [2024-11-16 09:18:37,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:18:37,677 INFO L432 NwaCegarLoop]: 4448 mSDtfsCounter, 5317 mSDsluCounter, 17573 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5341 SdHoareTripleChecker+Valid, 22021 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:37,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5341 Valid, 22021 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:18:37,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56443 states. [2024-11-16 09:18:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56443 to 40489. [2024-11-16 09:18:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40489 states, 37515 states have (on average 1.4715447154471544) internal successors, (55205), 37645 states have internal predecessors, (55205), 2070 states have call successors, (2070), 774 states have call predecessors, (2070), 902 states have return successors, (4385), 2197 states have call predecessors, (4385), 2070 states have call successors, (4385) [2024-11-16 09:18:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40489 states to 40489 states and 61660 transitions. [2024-11-16 09:18:39,425 INFO L78 Accepts]: Start accepts. Automaton has 40489 states and 61660 transitions. Word has length 139 [2024-11-16 09:18:39,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:39,425 INFO L471 AbstractCegarLoop]: Abstraction has 40489 states and 61660 transitions. [2024-11-16 09:18:39,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 40489 states and 61660 transitions. [2024-11-16 09:18:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:39,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:39,447 INFO L215 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] [2024-11-16 09:18:39,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 09:18:39,447 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:39,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:39,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1525492496, now seen corresponding path program 1 times [2024-11-16 09:18:39,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:39,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728192218] [2024-11-16 09:18:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:39,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:39,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:39,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:39,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:39,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:39,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728192218] [2024-11-16 09:18:39,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728192218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:39,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:39,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:39,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962925821] [2024-11-16 09:18:39,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:39,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:39,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:39,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:39,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:39,569 INFO L87 Difference]: Start difference. First operand 40489 states and 61660 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:41,971 INFO L93 Difference]: Finished difference Result 88811 states and 137337 transitions. [2024-11-16 09:18:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:18:41,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:41,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:42,111 INFO L225 Difference]: With dead ends: 88811 [2024-11-16 09:18:42,111 INFO L226 Difference]: Without dead ends: 50461 [2024-11-16 09:18:42,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:42,188 INFO L432 NwaCegarLoop]: 4220 mSDtfsCounter, 4944 mSDsluCounter, 12539 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4960 SdHoareTripleChecker+Valid, 16759 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:42,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4960 Valid, 16759 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:18:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50461 states. [2024-11-16 09:18:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50461 to 40489. [2024-11-16 09:18:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40489 states, 37515 states have (on average 1.4681060908969745) internal successors, (55076), 37645 states have internal predecessors, (55076), 2070 states have call successors, (2070), 774 states have call predecessors, (2070), 902 states have return successors, (4385), 2197 states have call predecessors, (4385), 2070 states have call successors, (4385) [2024-11-16 09:18:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40489 states to 40489 states and 61531 transitions. [2024-11-16 09:18:44,645 INFO L78 Accepts]: Start accepts. Automaton has 40489 states and 61531 transitions. Word has length 139 [2024-11-16 09:18:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:44,646 INFO L471 AbstractCegarLoop]: Abstraction has 40489 states and 61531 transitions. [2024-11-16 09:18:44,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 40489 states and 61531 transitions. [2024-11-16 09:18:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:44,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:44,676 INFO L215 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] [2024-11-16 09:18:44,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 09:18:44,676 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:44,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:44,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1782892111, now seen corresponding path program 1 times [2024-11-16 09:18:44,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:44,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074131127] [2024-11-16 09:18:44,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:44,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:44,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:44,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:44,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:44,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:44,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:44,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074131127] [2024-11-16 09:18:44,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074131127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:44,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:44,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:44,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275694721] [2024-11-16 09:18:44,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:44,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:44,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:44,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:44,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:44,802 INFO L87 Difference]: Start difference. First operand 40489 states and 61531 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:48,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:48,034 INFO L93 Difference]: Finished difference Result 88680 states and 136689 transitions. [2024-11-16 09:18:48,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:18:48,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:48,186 INFO L225 Difference]: With dead ends: 88680 [2024-11-16 09:18:48,186 INFO L226 Difference]: Without dead ends: 50330 [2024-11-16 09:18:48,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:18:48,326 INFO L432 NwaCegarLoop]: 4221 mSDtfsCounter, 4802 mSDsluCounter, 16684 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4818 SdHoareTripleChecker+Valid, 20905 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:48,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4818 Valid, 20905 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:18:48,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50330 states. [2024-11-16 09:18:50,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50330 to 40489. [2024-11-16 09:18:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40489 states, 37515 states have (on average 1.4646674663467947) internal successors, (54947), 37645 states have internal predecessors, (54947), 2070 states have call successors, (2070), 774 states have call predecessors, (2070), 902 states have return successors, (4385), 2197 states have call predecessors, (4385), 2070 states have call successors, (4385) [2024-11-16 09:18:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40489 states to 40489 states and 61402 transitions. [2024-11-16 09:18:50,504 INFO L78 Accepts]: Start accepts. Automaton has 40489 states and 61402 transitions. Word has length 139 [2024-11-16 09:18:50,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:18:50,505 INFO L471 AbstractCegarLoop]: Abstraction has 40489 states and 61402 transitions. [2024-11-16 09:18:50,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 40489 states and 61402 transitions. [2024-11-16 09:18:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:18:50,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:18:50,533 INFO L215 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] [2024-11-16 09:18:50,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 09:18:50,533 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:18:50,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:18:50,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1435521776, now seen corresponding path program 1 times [2024-11-16 09:18:50,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:18:50,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005530168] [2024-11-16 09:18:50,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:18:50,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:18:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:18:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:50,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:18:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:50,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:18:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:18:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:50,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:18:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:18:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:18:50,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:18:50,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005530168] [2024-11-16 09:18:50,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005530168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:18:50,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:18:50,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:18:50,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019793096] [2024-11-16 09:18:50,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:18:50,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:18:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:18:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:18:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:18:50,694 INFO L87 Difference]: Start difference. First operand 40489 states and 61402 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:18:57,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:18:57,274 INFO L93 Difference]: Finished difference Result 142453 states and 217810 transitions. [2024-11-16 09:18:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:18:57,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:18:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:18:57,542 INFO L225 Difference]: With dead ends: 142453 [2024-11-16 09:18:57,542 INFO L226 Difference]: Without dead ends: 104103 [2024-11-16 09:18:57,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:18:57,618 INFO L432 NwaCegarLoop]: 4448 mSDtfsCounter, 5180 mSDsluCounter, 17573 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5204 SdHoareTripleChecker+Valid, 22021 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:18:57,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5204 Valid, 22021 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 09:18:57,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104103 states. [2024-11-16 09:19:01,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104103 to 78753. [2024-11-16 09:19:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78753 states, 72963 states have (on average 1.4521195674519962) internal successors, (105951), 73221 states have internal predecessors, (105951), 3990 states have call successors, (3990), 1542 states have call predecessors, (3990), 1798 states have return successors, (10807), 4245 states have call predecessors, (10807), 3990 states have call successors, (10807) [2024-11-16 09:19:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78753 states to 78753 states and 120748 transitions. [2024-11-16 09:19:01,946 INFO L78 Accepts]: Start accepts. Automaton has 78753 states and 120748 transitions. Word has length 139 [2024-11-16 09:19:01,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:19:01,947 INFO L471 AbstractCegarLoop]: Abstraction has 78753 states and 120748 transitions. [2024-11-16 09:19:01,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:19:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 78753 states and 120748 transitions. [2024-11-16 09:19:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:19:01,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:19:01,980 INFO L215 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] [2024-11-16 09:19:01,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 09:19:01,981 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:19:01,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:19:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash 400321071, now seen corresponding path program 1 times [2024-11-16 09:19:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:19:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946918932] [2024-11-16 09:19:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:19:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:19:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:19:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:19:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:19:02,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 09:19:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:19:02,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:19:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:19:02,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 09:19:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:19:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:19:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:19:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:19:02,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:19:02,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946918932] [2024-11-16 09:19:02,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946918932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:19:02,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:19:02,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:19:02,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761935214] [2024-11-16 09:19:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:19:02,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:19:02,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:19:02,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:19:02,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:19:02,111 INFO L87 Difference]: Start difference. First operand 78753 states and 120748 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:19:07,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:19:07,115 INFO L93 Difference]: Finished difference Result 173778 states and 272413 transitions. [2024-11-16 09:19:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:19:07,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-16 09:19:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:19:07,449 INFO L225 Difference]: With dead ends: 173778 [2024-11-16 09:19:07,449 INFO L226 Difference]: Without dead ends: 97164