./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-71.i -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 aee42ba0cf9a24f4eeb1ee03ef3d8ced6b7aa6b554ee3bb56f926e41b4f0fafe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:29:32,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:29:32,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:29:32,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:29:32,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:29:32,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:29:32,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:29:32,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:29:32,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:29:32,418 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:29:32,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:29:32,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:29:32,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:29:32,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:29:32,424 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:29:32,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:29:32,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:29:32,425 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:29:32,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:29:32,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:29:32,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:29:32,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:29:32,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:29:32,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:29:32,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:29:32,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:29:32,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:29:32,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:29:32,430 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:29:32,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:29:32,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:29:32,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:29:32,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:29:32,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:29:32,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:29:32,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:29:32,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:29:32,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:29:32,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:29:32,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:29:32,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:29:32,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:29:32,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee42ba0cf9a24f4eeb1ee03ef3d8ced6b7aa6b554ee3bb56f926e41b4f0fafe [2024-11-10 09:29:32,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:29:32,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:29:32,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:29:32,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:29:32,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:29:32,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-71.i [2024-11-10 09:29:34,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:29:34,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:29:34,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-71.i [2024-11-10 09:29:34,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4469cc9fc/fbe58730ef1a488c900a268e52fee66e/FLAGaa99ccd0b [2024-11-10 09:29:34,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4469cc9fc/fbe58730ef1a488c900a268e52fee66e [2024-11-10 09:29:34,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:29:34,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:29:34,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:29:34,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:29:34,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:29:34,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:29:34" (1/1) ... [2024-11-10 09:29:34,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a3d3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:34, skipping insertion in model container [2024-11-10 09:29:34,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:29:34" (1/1) ... [2024-11-10 09:29:34,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:29:34,842 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/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-71.i[917,930] [2024-11-10 09:29:34,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:29:34,925 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:29:34,937 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/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-71.i[917,930] [2024-11-10 09:29:34,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:29:35,000 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:29:35,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35 WrapperNode [2024-11-10 09:29:35,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:29:35,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:29:35,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:29:35,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:29:35,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,071 INFO L138 Inliner]: procedures = 26, calls = 173, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 508 [2024-11-10 09:29:35,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:29:35,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:29:35,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:29:35,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:29:35,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,131 INFO L175 MemorySlicer]: Split 138 memory accesses to 6 slices as follows [2, 20, 16, 85, 7, 8]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 3, 5, 1, 2]. The 18 writes are split as follows [0, 3, 3, 8, 1, 3]. [2024-11-10 09:29:35,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,154 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:29:35,166 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:29:35,166 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:29:35,166 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:29:35,167 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (1/1) ... [2024-11-10 09:29:35,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:29:35,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:29:35,203 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) [2024-11-10 09:29:35,205 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 [2024-11-10 09:29:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 09:29:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 09:29:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 09:29:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 09:29:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 09:29:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 09:29:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:29:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 09:29:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:29:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:29:35,359 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:29:35,361 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:29:35,859 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: havoc property_#t~mem75#1;havoc property_#t~ite103#1;havoc property_#t~mem89#1;havoc property_#t~mem76#1;havoc property_#t~mem77#1;havoc property_#t~ite80#1;havoc property_#t~mem78#1;havoc property_#t~mem79#1;havoc property_#t~mem81#1;havoc property_#t~ite88#1;havoc property_#t~mem82#1;havoc property_#t~mem83#1;havoc property_#t~ite86#1;havoc property_#t~mem84#1;havoc property_#t~mem85#1;havoc property_#t~mem87#1;havoc property_#t~mem90#1;havoc property_#t~mem91#1;havoc property_#t~short92#1;havoc property_#t~ite102#1;havoc property_#t~mem94#1;havoc property_#t~mem93#1;havoc property_#t~mem95#1;havoc property_#t~mem96#1;havoc property_#t~mem97#1;havoc property_#t~ite101#1;havoc property_#t~mem99#1;havoc property_#t~mem98#1;havoc property_#t~mem100#1;havoc property_#t~mem104#1;havoc property_#t~ite113#1;havoc property_#t~mem109#1;havoc property_#t~mem105#1;havoc property_#t~ite108#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~mem112#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~short114#1;havoc property_#t~mem122#1;havoc property_#t~mem117#1;havoc property_#t~mem115#1;havoc property_#t~mem116#1;havoc property_#t~ite121#1;havoc property_#t~mem118#1;havoc property_#t~mem119#1;havoc property_#t~mem120#1;havoc property_#t~ite130#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~mem127#1;havoc property_#t~mem125#1;havoc property_#t~mem126#1;havoc property_#t~ite129#1;havoc property_#t~mem128#1;havoc property_#t~short131#1;havoc property_#t~mem133#1;havoc property_#t~mem132#1;havoc property_#t~short134#1;havoc property_#t~mem136#1;havoc property_#t~mem135#1;havoc property_#t~short137#1; [2024-11-10 09:29:35,908 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-10 09:29:35,910 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:29:35,925 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:29:35,925 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:29:35,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:29:35 BoogieIcfgContainer [2024-11-10 09:29:35,926 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:29:35,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:29:35,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:29:35,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:29:35,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:29:34" (1/3) ... [2024-11-10 09:29:35,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5409f811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:29:35, skipping insertion in model container [2024-11-10 09:29:35,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:29:35" (2/3) ... [2024-11-10 09:29:35,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5409f811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:29:35, skipping insertion in model container [2024-11-10 09:29:35,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:29:35" (3/3) ... [2024-11-10 09:29:35,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-71.i [2024-11-10 09:29:35,956 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:29:35,956 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:29:36,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:29:36,053 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;@6a853616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:29:36,054 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:29:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 86 states have (on average 1.372093023255814) internal successors, (118), 87 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:29:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 09:29:36,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:36,072 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:36,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:36,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:36,076 INFO L85 PathProgramCache]: Analyzing trace with hash -230788490, now seen corresponding path program 1 times [2024-11-10 09:29:36,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:36,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232903675] [2024-11-10 09:29:36,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:36,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:36,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232903675] [2024-11-10 09:29:36,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232903675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:36,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:36,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:29:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507959245] [2024-11-10 09:29:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:36,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:29:36,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:36,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:29:36,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:29:36,515 INFO L87 Difference]: Start difference. First operand has 108 states, 86 states have (on average 1.372093023255814) internal successors, (118), 87 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:36,545 INFO L93 Difference]: Finished difference Result 208 states and 324 transitions. [2024-11-10 09:29:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:29:36,548 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2024-11-10 09:29:36,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:36,555 INFO L225 Difference]: With dead ends: 208 [2024-11-10 09:29:36,555 INFO L226 Difference]: Without dead ends: 103 [2024-11-10 09:29:36,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:29:36,561 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:36,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:29:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-10 09:29:36,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-10 09:29:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:29:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 146 transitions. [2024-11-10 09:29:36,617 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 146 transitions. Word has length 146 [2024-11-10 09:29:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:36,618 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 146 transitions. [2024-11-10 09:29:36,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2024-11-10 09:29:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 09:29:36,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:36,623 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:36,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:29:36,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:36,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash 322315139, now seen corresponding path program 1 times [2024-11-10 09:29:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:36,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141402428] [2024-11-10 09:29:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:37,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:37,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141402428] [2024-11-10 09:29:37,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141402428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:37,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:37,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:29:37,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224647208] [2024-11-10 09:29:37,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:37,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:29:37,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:37,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:29:37,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:29:37,146 INFO L87 Difference]: Start difference. First operand 103 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:37,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:37,205 INFO L93 Difference]: Finished difference Result 206 states and 293 transitions. [2024-11-10 09:29:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:29:37,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-10 09:29:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:37,211 INFO L225 Difference]: With dead ends: 206 [2024-11-10 09:29:37,211 INFO L226 Difference]: Without dead ends: 106 [2024-11-10 09:29:37,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:29:37,216 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:37,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 418 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:29:37,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-10 09:29:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-10 09:29:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:29:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2024-11-10 09:29:37,234 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 146 [2024-11-10 09:29:37,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:37,238 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2024-11-10 09:29:37,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2024-11-10 09:29:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 09:29:37,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:37,243 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:37,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:29:37,244 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:37,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2065125474, now seen corresponding path program 1 times [2024-11-10 09:29:37,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:37,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267463098] [2024-11-10 09:29:37,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:37,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:37,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267463098] [2024-11-10 09:29:37,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267463098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:37,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:37,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:29:37,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722450357] [2024-11-10 09:29:37,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:37,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:29:37,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:37,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:29:37,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:29:37,538 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:37,591 INFO L93 Difference]: Finished difference Result 210 states and 297 transitions. [2024-11-10 09:29:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:29:37,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-10 09:29:37,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:37,598 INFO L225 Difference]: With dead ends: 210 [2024-11-10 09:29:37,598 INFO L226 Difference]: Without dead ends: 108 [2024-11-10 09:29:37,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:29:37,603 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:37,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:29:37,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-10 09:29:37,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-10 09:29:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:29:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 150 transitions. [2024-11-10 09:29:37,623 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 150 transitions. Word has length 146 [2024-11-10 09:29:37,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:37,624 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 150 transitions. [2024-11-10 09:29:37,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2024-11-10 09:29:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 09:29:37,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:37,629 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:37,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:29:37,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:37,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:37,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2093754625, now seen corresponding path program 1 times [2024-11-10 09:29:37,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:37,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101095727] [2024-11-10 09:29:37,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:37,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:38,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:38,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101095727] [2024-11-10 09:29:38,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101095727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:38,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:38,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:29:38,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310285524] [2024-11-10 09:29:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:38,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:29:38,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:38,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:29:38,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:29:38,054 INFO L87 Difference]: Start difference. First operand 107 states and 150 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:38,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:38,151 INFO L93 Difference]: Finished difference Result 272 states and 381 transitions. [2024-11-10 09:29:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:29:38,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-10 09:29:38,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:38,153 INFO L225 Difference]: With dead ends: 272 [2024-11-10 09:29:38,154 INFO L226 Difference]: Without dead ends: 168 [2024-11-10 09:29:38,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:29:38,155 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 89 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:38,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 720 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:29:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-10 09:29:38,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2024-11-10 09:29:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 88 states have internal predecessors, (114), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:29:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2024-11-10 09:29:38,169 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 146 [2024-11-10 09:29:38,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:38,170 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2024-11-10 09:29:38,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2024-11-10 09:29:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 09:29:38,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:38,174 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:38,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:29:38,175 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:38,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:38,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1612666563, now seen corresponding path program 1 times [2024-11-10 09:29:38,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:38,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966614817] [2024-11-10 09:29:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:38,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:38,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:38,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966614817] [2024-11-10 09:29:38,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966614817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:38,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:38,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:29:38,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62438585] [2024-11-10 09:29:38,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:38,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:29:38,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:38,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:29:38,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:29:38,845 INFO L87 Difference]: Start difference. First operand 109 states and 152 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:38,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:38,991 INFO L93 Difference]: Finished difference Result 275 states and 384 transitions. [2024-11-10 09:29:38,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:29:38,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-10 09:29:38,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:38,998 INFO L225 Difference]: With dead ends: 275 [2024-11-10 09:29:38,998 INFO L226 Difference]: Without dead ends: 169 [2024-11-10 09:29:38,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:29:39,002 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 84 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:39,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 993 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:29:39,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-10 09:29:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 121. [2024-11-10 09:29:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.32) internal successors, (132), 100 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:29:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 170 transitions. [2024-11-10 09:29:39,022 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 170 transitions. Word has length 147 [2024-11-10 09:29:39,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:39,023 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 170 transitions. [2024-11-10 09:29:39,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2024-11-10 09:29:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-10 09:29:39,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:39,026 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:39,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:29:39,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:39,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:39,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1645207140, now seen corresponding path program 1 times [2024-11-10 09:29:39,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:39,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720504799] [2024-11-10 09:29:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:40,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:40,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720504799] [2024-11-10 09:29:40,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720504799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:40,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:40,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:29:40,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7940483] [2024-11-10 09:29:40,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:40,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:29:40,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:40,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:29:40,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:29:40,054 INFO L87 Difference]: Start difference. First operand 121 states and 170 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:40,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:40,599 INFO L93 Difference]: Finished difference Result 319 states and 446 transitions. [2024-11-10 09:29:40,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:29:40,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 148 [2024-11-10 09:29:40,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:40,603 INFO L225 Difference]: With dead ends: 319 [2024-11-10 09:29:40,605 INFO L226 Difference]: Without dead ends: 201 [2024-11-10 09:29:40,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:29:40,608 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 292 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:40,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 821 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:29:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-10 09:29:40,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2024-11-10 09:29:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 165 states have internal predecessors, (215), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:29:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 275 transitions. [2024-11-10 09:29:40,644 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 275 transitions. Word has length 148 [2024-11-10 09:29:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:40,645 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 275 transitions. [2024-11-10 09:29:40,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 275 transitions. [2024-11-10 09:29:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-10 09:29:40,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:40,648 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:40,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:29:40,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:40,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2050860714, now seen corresponding path program 1 times [2024-11-10 09:29:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:40,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324807972] [2024-11-10 09:29:40,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:40,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:40,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324807972] [2024-11-10 09:29:40,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324807972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:40,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:40,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:29:40,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477210911] [2024-11-10 09:29:40,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:40,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:29:40,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:40,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:29:40,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:29:40,930 INFO L87 Difference]: Start difference. First operand 197 states and 275 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:40,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:40,994 INFO L93 Difference]: Finished difference Result 420 states and 582 transitions. [2024-11-10 09:29:40,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:29:40,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-10 09:29:40,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:40,998 INFO L225 Difference]: With dead ends: 420 [2024-11-10 09:29:41,000 INFO L226 Difference]: Without dead ends: 226 [2024-11-10 09:29:41,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:29:41,002 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 55 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:41,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 602 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:29:41,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-10 09:29:41,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 191. [2024-11-10 09:29:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 158 states have (on average 1.2911392405063291) internal successors, (204), 159 states have internal predecessors, (204), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:29:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 264 transitions. [2024-11-10 09:29:41,038 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 264 transitions. Word has length 148 [2024-11-10 09:29:41,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:41,039 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 264 transitions. [2024-11-10 09:29:41,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 264 transitions. [2024-11-10 09:29:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:29:41,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:41,043 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:41,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:29:41,043 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:41,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:41,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1377391732, now seen corresponding path program 1 times [2024-11-10 09:29:41,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:41,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464747157] [2024-11-10 09:29:41,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:41,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:41,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464747157] [2024-11-10 09:29:41,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464747157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:41,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:41,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:29:41,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938723034] [2024-11-10 09:29:41,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:41,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:29:41,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:29:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:29:41,305 INFO L87 Difference]: Start difference. First operand 191 states and 264 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:41,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:41,374 INFO L93 Difference]: Finished difference Result 408 states and 560 transitions. [2024-11-10 09:29:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:29:41,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-11-10 09:29:41,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:41,376 INFO L225 Difference]: With dead ends: 408 [2024-11-10 09:29:41,376 INFO L226 Difference]: Without dead ends: 220 [2024-11-10 09:29:41,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:29:41,379 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 57 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:41,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 654 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:29:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-10 09:29:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 189. [2024-11-10 09:29:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 156 states have (on average 1.2756410256410255) internal successors, (199), 157 states have internal predecessors, (199), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:29:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 259 transitions. [2024-11-10 09:29:41,394 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 259 transitions. Word has length 149 [2024-11-10 09:29:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:41,394 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 259 transitions. [2024-11-10 09:29:41,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:29:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 259 transitions. [2024-11-10 09:29:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:29:41,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:41,396 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:41,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 09:29:41,397 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:41,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:41,397 INFO L85 PathProgramCache]: Analyzing trace with hash 206884358, now seen corresponding path program 1 times [2024-11-10 09:29:41,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:41,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32953818] [2024-11-10 09:29:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:41,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:42,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:42,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32953818] [2024-11-10 09:29:42,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32953818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:42,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:42,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:29:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463859228] [2024-11-10 09:29:42,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:42,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:29:42,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:42,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:29:42,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:29:42,213 INFO L87 Difference]: Start difference. First operand 189 states and 259 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:42,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:42,725 INFO L93 Difference]: Finished difference Result 451 states and 616 transitions. [2024-11-10 09:29:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:29:42,726 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2024-11-10 09:29:42,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:42,729 INFO L225 Difference]: With dead ends: 451 [2024-11-10 09:29:42,729 INFO L226 Difference]: Without dead ends: 265 [2024-11-10 09:29:42,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:29:42,732 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 333 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:42,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 874 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:29:42,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-10 09:29:42,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 203. [2024-11-10 09:29:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 171 states have internal predecessors, (219), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:29:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 279 transitions. [2024-11-10 09:29:42,751 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 279 transitions. Word has length 149 [2024-11-10 09:29:42,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:42,752 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 279 transitions. [2024-11-10 09:29:42,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 279 transitions. [2024-11-10 09:29:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:29:42,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:42,754 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:42,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:29:42,754 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:42,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:42,755 INFO L85 PathProgramCache]: Analyzing trace with hash -303649819, now seen corresponding path program 1 times [2024-11-10 09:29:42,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:42,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524357355] [2024-11-10 09:29:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:42,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:43,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:44,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:44,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:44,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:44,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:44,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524357355] [2024-11-10 09:29:44,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524357355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:44,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:44,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:29:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255149182] [2024-11-10 09:29:44,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:44,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:29:44,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:29:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:29:44,027 INFO L87 Difference]: Start difference. First operand 203 states and 279 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:44,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:29:44,991 INFO L93 Difference]: Finished difference Result 489 states and 668 transitions. [2024-11-10 09:29:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:29:44,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2024-11-10 09:29:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:29:44,993 INFO L225 Difference]: With dead ends: 489 [2024-11-10 09:29:44,993 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 09:29:44,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:29:44,994 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 214 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:29:44,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 575 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:29:44,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 09:29:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 203. [2024-11-10 09:29:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 170 states have (on average 1.2823529411764707) internal successors, (218), 171 states have internal predecessors, (218), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:29:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 278 transitions. [2024-11-10 09:29:45,024 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 278 transitions. Word has length 149 [2024-11-10 09:29:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:29:45,026 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 278 transitions. [2024-11-10 09:29:45,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 278 transitions. [2024-11-10 09:29:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:29:45,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:29:45,027 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:29:45,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:29:45,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:29:45,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:29:45,028 INFO L85 PathProgramCache]: Analyzing trace with hash 237904165, now seen corresponding path program 1 times [2024-11-10 09:29:45,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:29:45,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923044361] [2024-11-10 09:29:45,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:29:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:29:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:29:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:29:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:29:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:29:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:29:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:29:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:29:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:29:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:29:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:29:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:29:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:29:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:29:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:29:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:29:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:29:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:29:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:29:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:29:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:29:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:29:50,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:29:50,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923044361] [2024-11-10 09:29:50,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923044361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:29:50,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:29:50,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:29:50,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656955227] [2024-11-10 09:29:50,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:29:50,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:29:50,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:29:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:29:50,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=85, Unknown=1, NotChecked=0, Total=110 [2024-11-10 09:29:50,607 INFO L87 Difference]: Start difference. First operand 203 states and 278 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:29:58,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 09:30:00,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 09:30:04,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 09:30:05,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 09:30:06,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:06,249 INFO L93 Difference]: Finished difference Result 525 states and 714 transitions. [2024-11-10 09:30:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:30:06,250 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2024-11-10 09:30:06,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:06,252 INFO L225 Difference]: With dead ends: 525 [2024-11-10 09:30:06,252 INFO L226 Difference]: Without dead ends: 325 [2024-11-10 09:30:06,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=79, Invalid=262, Unknown=1, NotChecked=0, Total=342 [2024-11-10 09:30:06,254 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 494 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:06,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 730 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2024-11-10 09:30:06,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-10 09:30:06,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 201. [2024-11-10 09:30:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 168 states have (on average 1.2797619047619047) internal successors, (215), 169 states have internal predecessors, (215), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 275 transitions. [2024-11-10 09:30:06,292 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 275 transitions. Word has length 149 [2024-11-10 09:30:06,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:06,295 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 275 transitions. [2024-11-10 09:30:06,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 275 transitions. [2024-11-10 09:30:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:30:06,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:06,296 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:06,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:30:06,297 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:06,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:06,297 INFO L85 PathProgramCache]: Analyzing trace with hash -272630012, now seen corresponding path program 1 times [2024-11-10 09:30:06,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:06,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423936721] [2024-11-10 09:30:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:06,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:06,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423936721] [2024-11-10 09:30:06,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423936721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:06,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:06,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:30:06,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496600992] [2024-11-10 09:30:06,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:06,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:30:06,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:30:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:30:06,641 INFO L87 Difference]: Start difference. First operand 201 states and 275 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:06,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:06,871 INFO L93 Difference]: Finished difference Result 458 states and 624 transitions. [2024-11-10 09:30:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:30:06,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-11-10 09:30:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:06,875 INFO L225 Difference]: With dead ends: 458 [2024-11-10 09:30:06,875 INFO L226 Difference]: Without dead ends: 260 [2024-11-10 09:30:06,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:30:06,876 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 80 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:06,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1126 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-10 09:30:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 201. [2024-11-10 09:30:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 168 states have (on average 1.2797619047619047) internal successors, (215), 169 states have internal predecessors, (215), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 275 transitions. [2024-11-10 09:30:06,906 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 275 transitions. Word has length 149 [2024-11-10 09:30:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:06,906 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 275 transitions. [2024-11-10 09:30:06,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 275 transitions. [2024-11-10 09:30:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:30:06,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:06,908 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:06,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:30:06,908 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:06,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:06,909 INFO L85 PathProgramCache]: Analyzing trace with hash -253387347, now seen corresponding path program 1 times [2024-11-10 09:30:06,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:06,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393951173] [2024-11-10 09:30:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:06,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:07,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:07,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393951173] [2024-11-10 09:30:07,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393951173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:07,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:07,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:30:07,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385372315] [2024-11-10 09:30:07,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:07,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:30:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:07,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:30:07,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:30:07,789 INFO L87 Difference]: Start difference. First operand 201 states and 275 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:09,098 INFO L93 Difference]: Finished difference Result 661 states and 898 transitions. [2024-11-10 09:30:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:30:09,099 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-10 09:30:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:09,102 INFO L225 Difference]: With dead ends: 661 [2024-11-10 09:30:09,102 INFO L226 Difference]: Without dead ends: 463 [2024-11-10 09:30:09,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2024-11-10 09:30:09,105 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 468 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:09,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1421 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 09:30:09,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-10 09:30:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 225. [2024-11-10 09:30:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 192 states have (on average 1.296875) internal successors, (249), 193 states have internal predecessors, (249), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 309 transitions. [2024-11-10 09:30:09,136 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 309 transitions. Word has length 150 [2024-11-10 09:30:09,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:09,136 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 309 transitions. [2024-11-10 09:30:09,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 309 transitions. [2024-11-10 09:30:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:30:09,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:09,138 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:09,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:30:09,138 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:09,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:09,139 INFO L85 PathProgramCache]: Analyzing trace with hash -42036434, now seen corresponding path program 1 times [2024-11-10 09:30:09,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:09,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30167628] [2024-11-10 09:30:09,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:09,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:10,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:10,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30167628] [2024-11-10 09:30:10,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30167628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:10,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:10,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 09:30:10,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886991370] [2024-11-10 09:30:10,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:10,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 09:30:10,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:10,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 09:30:10,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:30:10,399 INFO L87 Difference]: Start difference. First operand 225 states and 309 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:12,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:12,080 INFO L93 Difference]: Finished difference Result 586 states and 796 transitions. [2024-11-10 09:30:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:30:12,082 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-10 09:30:12,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:12,084 INFO L225 Difference]: With dead ends: 586 [2024-11-10 09:30:12,084 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 09:30:12,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2024-11-10 09:30:12,087 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 519 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:12,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1265 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 09:30:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 09:30:12,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 224. [2024-11-10 09:30:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 191 states have (on average 1.293193717277487) internal successors, (247), 192 states have internal predecessors, (247), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 307 transitions. [2024-11-10 09:30:12,119 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 307 transitions. Word has length 150 [2024-11-10 09:30:12,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:12,120 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 307 transitions. [2024-11-10 09:30:12,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 307 transitions. [2024-11-10 09:30:12,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:30:12,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:12,121 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:12,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 09:30:12,122 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:12,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:12,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1662559306, now seen corresponding path program 1 times [2024-11-10 09:30:12,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:12,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140320545] [2024-11-10 09:30:12,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:12,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:12,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:12,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140320545] [2024-11-10 09:30:12,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140320545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:12,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:12,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:30:12,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850796556] [2024-11-10 09:30:12,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:12,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:30:12,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:12,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:30:12,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:30:12,319 INFO L87 Difference]: Start difference. First operand 224 states and 307 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:12,425 INFO L93 Difference]: Finished difference Result 479 states and 653 transitions. [2024-11-10 09:30:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:30:12,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-10 09:30:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:12,427 INFO L225 Difference]: With dead ends: 479 [2024-11-10 09:30:12,427 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 09:30:12,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:12,428 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 65 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:12,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 592 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 09:30:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 230. [2024-11-10 09:30:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 197 states have (on average 1.2893401015228427) internal successors, (254), 198 states have internal predecessors, (254), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2024-11-10 09:30:12,461 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 150 [2024-11-10 09:30:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:12,461 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2024-11-10 09:30:12,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2024-11-10 09:30:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:30:12,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:12,464 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:12,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:30:12,464 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:12,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:12,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1413607783, now seen corresponding path program 1 times [2024-11-10 09:30:12,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:12,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119420918] [2024-11-10 09:30:12,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:12,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:12,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:12,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119420918] [2024-11-10 09:30:12,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119420918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:12,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:12,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:30:12,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034272147] [2024-11-10 09:30:12,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:12,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:30:12,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:12,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:30:12,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:30:12,676 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:12,778 INFO L93 Difference]: Finished difference Result 485 states and 659 transitions. [2024-11-10 09:30:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:30:12,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-10 09:30:12,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:12,780 INFO L225 Difference]: With dead ends: 485 [2024-11-10 09:30:12,780 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 09:30:12,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:12,781 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 69 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:12,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 587 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 09:30:12,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 230. [2024-11-10 09:30:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 197 states have (on average 1.284263959390863) internal successors, (253), 198 states have internal predecessors, (253), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 313 transitions. [2024-11-10 09:30:12,812 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 313 transitions. Word has length 150 [2024-11-10 09:30:12,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:12,813 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 313 transitions. [2024-11-10 09:30:12,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 313 transitions. [2024-11-10 09:30:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:30:12,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:12,814 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:12,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 09:30:12,815 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:12,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:12,815 INFO L85 PathProgramCache]: Analyzing trace with hash 416535430, now seen corresponding path program 1 times [2024-11-10 09:30:12,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:12,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393311980] [2024-11-10 09:30:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:12,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:13,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:13,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393311980] [2024-11-10 09:30:13,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393311980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:13,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:13,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:30:13,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497248611] [2024-11-10 09:30:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:13,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:30:13,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:13,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:30:13,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:30:13,026 INFO L87 Difference]: Start difference. First operand 230 states and 313 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:13,139 INFO L93 Difference]: Finished difference Result 479 states and 649 transitions. [2024-11-10 09:30:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:30:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-10 09:30:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:13,141 INFO L225 Difference]: With dead ends: 479 [2024-11-10 09:30:13,141 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 09:30:13,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:13,142 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 40 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:13,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 635 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 09:30:13,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 224. [2024-11-10 09:30:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 191 states have (on average 1.2774869109947644) internal successors, (244), 192 states have internal predecessors, (244), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 304 transitions. [2024-11-10 09:30:13,171 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 304 transitions. Word has length 150 [2024-11-10 09:30:13,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:13,172 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 304 transitions. [2024-11-10 09:30:13,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 304 transitions. [2024-11-10 09:30:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 09:30:13,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:13,175 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:13,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 09:30:13,175 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:13,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:13,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1448763191, now seen corresponding path program 1 times [2024-11-10 09:30:13,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:13,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884913969] [2024-11-10 09:30:13,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:14,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:14,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884913969] [2024-11-10 09:30:14,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884913969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:14,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:14,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:30:14,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675995137] [2024-11-10 09:30:14,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:14,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:30:14,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:14,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:30:14,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:30:14,190 INFO L87 Difference]: Start difference. First operand 224 states and 304 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:15,082 INFO L93 Difference]: Finished difference Result 505 states and 683 transitions. [2024-11-10 09:30:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:30:15,083 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2024-11-10 09:30:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:15,085 INFO L225 Difference]: With dead ends: 505 [2024-11-10 09:30:15,085 INFO L226 Difference]: Without dead ends: 284 [2024-11-10 09:30:15,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:30:15,086 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 202 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:15,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 1073 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:30:15,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-10 09:30:15,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 219. [2024-11-10 09:30:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 186 states have (on average 1.2741935483870968) internal successors, (237), 187 states have internal predecessors, (237), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 297 transitions. [2024-11-10 09:30:15,118 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 297 transitions. Word has length 151 [2024-11-10 09:30:15,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:15,118 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 297 transitions. [2024-11-10 09:30:15,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 297 transitions. [2024-11-10 09:30:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 09:30:15,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:15,119 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:15,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 09:30:15,120 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:15,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:15,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1881132180, now seen corresponding path program 1 times [2024-11-10 09:30:15,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:15,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759951466] [2024-11-10 09:30:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:15,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:16,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:16,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759951466] [2024-11-10 09:30:16,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759951466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:16,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:16,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:30:16,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85087237] [2024-11-10 09:30:16,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:16,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:30:16,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:16,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:30:16,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:30:16,452 INFO L87 Difference]: Start difference. First operand 219 states and 297 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:17,889 INFO L93 Difference]: Finished difference Result 633 states and 848 transitions. [2024-11-10 09:30:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:30:17,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2024-11-10 09:30:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:17,892 INFO L225 Difference]: With dead ends: 633 [2024-11-10 09:30:17,892 INFO L226 Difference]: Without dead ends: 417 [2024-11-10 09:30:17,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:30:17,894 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 590 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:17,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1268 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 09:30:17,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-10 09:30:17,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 236. [2024-11-10 09:30:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 203 states have (on average 1.2758620689655173) internal successors, (259), 204 states have internal predecessors, (259), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 319 transitions. [2024-11-10 09:30:17,948 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 319 transitions. Word has length 151 [2024-11-10 09:30:17,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:17,949 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 319 transitions. [2024-11-10 09:30:17,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 319 transitions. [2024-11-10 09:30:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 09:30:17,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:17,950 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:17,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 09:30:17,951 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:17,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1162026218, now seen corresponding path program 1 times [2024-11-10 09:30:17,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:17,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143771846] [2024-11-10 09:30:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:17,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:18,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:18,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143771846] [2024-11-10 09:30:18,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143771846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:18,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:18,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:30:18,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036983297] [2024-11-10 09:30:18,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:18,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:30:18,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:18,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:30:18,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:30:18,534 INFO L87 Difference]: Start difference. First operand 236 states and 319 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:18,897 INFO L93 Difference]: Finished difference Result 599 states and 804 transitions. [2024-11-10 09:30:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:30:18,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-10 09:30:18,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:18,900 INFO L225 Difference]: With dead ends: 599 [2024-11-10 09:30:18,900 INFO L226 Difference]: Without dead ends: 366 [2024-11-10 09:30:18,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:30:18,901 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 183 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:18,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1154 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:30:18,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-10 09:30:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 245. [2024-11-10 09:30:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 212 states have (on average 1.2830188679245282) internal successors, (272), 213 states have internal predecessors, (272), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 332 transitions. [2024-11-10 09:30:18,934 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 332 transitions. Word has length 151 [2024-11-10 09:30:18,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:18,935 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 332 transitions. [2024-11-10 09:30:18,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 332 transitions. [2024-11-10 09:30:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:18,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:18,936 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:18,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 09:30:18,937 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:18,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:18,937 INFO L85 PathProgramCache]: Analyzing trace with hash 750775407, now seen corresponding path program 1 times [2024-11-10 09:30:18,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:18,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878325934] [2024-11-10 09:30:18,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:20,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:20,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878325934] [2024-11-10 09:30:20,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878325934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:20,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:20,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 09:30:20,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554777649] [2024-11-10 09:30:20,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:20,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 09:30:20,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:20,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 09:30:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:30:20,175 INFO L87 Difference]: Start difference. First operand 245 states and 332 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:21,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:21,492 INFO L93 Difference]: Finished difference Result 567 states and 769 transitions. [2024-11-10 09:30:21,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:30:21,493 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-10 09:30:21,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:21,495 INFO L225 Difference]: With dead ends: 567 [2024-11-10 09:30:21,495 INFO L226 Difference]: Without dead ends: 325 [2024-11-10 09:30:21,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2024-11-10 09:30:21,497 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 295 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:21,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 996 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 09:30:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-10 09:30:21,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 265. [2024-11-10 09:30:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 232 states have (on average 1.293103448275862) internal successors, (300), 233 states have internal predecessors, (300), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 360 transitions. [2024-11-10 09:30:21,534 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 360 transitions. Word has length 152 [2024-11-10 09:30:21,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:21,534 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 360 transitions. [2024-11-10 09:30:21,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 360 transitions. [2024-11-10 09:30:21,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:21,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:21,536 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:21,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 09:30:21,536 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:21,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:21,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2104085104, now seen corresponding path program 1 times [2024-11-10 09:30:21,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:21,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605337174] [2024-11-10 09:30:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:21,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:22,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:22,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605337174] [2024-11-10 09:30:22,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605337174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:22,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:22,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:30:22,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738742634] [2024-11-10 09:30:22,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:22,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:30:22,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:30:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:30:22,281 INFO L87 Difference]: Start difference. First operand 265 states and 360 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:22,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:22,976 INFO L93 Difference]: Finished difference Result 602 states and 816 transitions. [2024-11-10 09:30:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:30:22,977 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-10 09:30:22,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:22,979 INFO L225 Difference]: With dead ends: 602 [2024-11-10 09:30:22,979 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 09:30:22,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:30:22,980 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 272 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:22,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 558 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:30:22,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 09:30:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 275. [2024-11-10 09:30:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 242 states have (on average 1.2892561983471074) internal successors, (312), 243 states have internal predecessors, (312), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 372 transitions. [2024-11-10 09:30:23,014 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 372 transitions. Word has length 152 [2024-11-10 09:30:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:23,015 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 372 transitions. [2024-11-10 09:30:23,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 372 transitions. [2024-11-10 09:30:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:23,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:23,016 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:23,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 09:30:23,017 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:23,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1111243626, now seen corresponding path program 1 times [2024-11-10 09:30:23,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:23,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296000948] [2024-11-10 09:30:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:23,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:23,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:23,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296000948] [2024-11-10 09:30:23,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296000948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:23,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:23,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:30:23,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038393870] [2024-11-10 09:30:23,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:23,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:30:23,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:23,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:30:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:23,360 INFO L87 Difference]: Start difference. First operand 275 states and 372 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:23,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:23,720 INFO L93 Difference]: Finished difference Result 670 states and 905 transitions. [2024-11-10 09:30:23,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:30:23,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-10 09:30:23,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:23,723 INFO L225 Difference]: With dead ends: 670 [2024-11-10 09:30:23,723 INFO L226 Difference]: Without dead ends: 398 [2024-11-10 09:30:23,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:30:23,725 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 75 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:23,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 716 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:30:23,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-10 09:30:23,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 280. [2024-11-10 09:30:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 247 states have (on average 1.291497975708502) internal successors, (319), 248 states have internal predecessors, (319), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 379 transitions. [2024-11-10 09:30:23,770 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 379 transitions. Word has length 152 [2024-11-10 09:30:23,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:23,770 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 379 transitions. [2024-11-10 09:30:23,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 379 transitions. [2024-11-10 09:30:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:23,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:23,772 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:23,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 09:30:23,772 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:23,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:23,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1621777803, now seen corresponding path program 1 times [2024-11-10 09:30:23,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:23,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485692637] [2024-11-10 09:30:23,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:23,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:25,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:25,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485692637] [2024-11-10 09:30:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485692637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:25,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:25,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:30:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614501177] [2024-11-10 09:30:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:25,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:30:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:25,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:30:25,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:30:25,669 INFO L87 Difference]: Start difference. First operand 280 states and 379 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:27,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:27,255 INFO L93 Difference]: Finished difference Result 693 states and 933 transitions. [2024-11-10 09:30:27,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:30:27,256 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-10 09:30:27,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:27,258 INFO L225 Difference]: With dead ends: 693 [2024-11-10 09:30:27,258 INFO L226 Difference]: Without dead ends: 416 [2024-11-10 09:30:27,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2024-11-10 09:30:27,259 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 359 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:27,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 914 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 09:30:27,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-10 09:30:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 280. [2024-11-10 09:30:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 247 states have (on average 1.2874493927125505) internal successors, (318), 248 states have internal predecessors, (318), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 378 transitions. [2024-11-10 09:30:27,302 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 378 transitions. Word has length 152 [2024-11-10 09:30:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:27,302 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 378 transitions. [2024-11-10 09:30:27,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 378 transitions. [2024-11-10 09:30:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:27,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:27,304 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:27,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 09:30:27,304 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:27,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1820609197, now seen corresponding path program 1 times [2024-11-10 09:30:27,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:27,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515262419] [2024-11-10 09:30:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:27,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:27,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515262419] [2024-11-10 09:30:27,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515262419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:27,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:27,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:30:27,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103686885] [2024-11-10 09:30:27,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:27,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:30:27,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:30:27,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:30:27,856 INFO L87 Difference]: Start difference. First operand 280 states and 378 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:28,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:28,190 INFO L93 Difference]: Finished difference Result 721 states and 975 transitions. [2024-11-10 09:30:28,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:30:28,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-10 09:30:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:28,193 INFO L225 Difference]: With dead ends: 721 [2024-11-10 09:30:28,193 INFO L226 Difference]: Without dead ends: 444 [2024-11-10 09:30:28,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:30:28,195 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 87 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:28,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 851 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:30:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-10 09:30:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 325. [2024-11-10 09:30:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 292 states have (on average 1.3082191780821917) internal successors, (382), 293 states have internal predecessors, (382), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 442 transitions. [2024-11-10 09:30:28,234 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 442 transitions. Word has length 152 [2024-11-10 09:30:28,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:28,234 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 442 transitions. [2024-11-10 09:30:28,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 442 transitions. [2024-11-10 09:30:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:28,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:28,236 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:28,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 09:30:28,236 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:28,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 762091534, now seen corresponding path program 1 times [2024-11-10 09:30:28,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:28,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532595504] [2024-11-10 09:30:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:28,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532595504] [2024-11-10 09:30:28,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532595504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:28,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:28,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:30:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358491104] [2024-11-10 09:30:28,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:28,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:30:28,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:28,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:30:28,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:30:28,449 INFO L87 Difference]: Start difference. First operand 325 states and 442 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:28,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:28,640 INFO L93 Difference]: Finished difference Result 676 states and 920 transitions. [2024-11-10 09:30:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:30:28,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-10 09:30:28,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:28,644 INFO L225 Difference]: With dead ends: 676 [2024-11-10 09:30:28,644 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 09:30:28,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:28,646 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 44 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:28,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 456 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:28,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 09:30:28,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 325. [2024-11-10 09:30:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 292 states have (on average 1.3047945205479452) internal successors, (381), 293 states have internal predecessors, (381), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 09:30:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 441 transitions. [2024-11-10 09:30:28,686 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 441 transitions. Word has length 152 [2024-11-10 09:30:28,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:28,686 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 441 transitions. [2024-11-10 09:30:28,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 441 transitions. [2024-11-10 09:30:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:28,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:28,689 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:28,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 09:30:28,690 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:28,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:28,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1723705551, now seen corresponding path program 1 times [2024-11-10 09:30:28,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:28,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18644458] [2024-11-10 09:30:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:29,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:29,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18644458] [2024-11-10 09:30:29,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18644458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:29,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:29,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 09:30:29,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466028022] [2024-11-10 09:30:29,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:29,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 09:30:29,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 09:30:29,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:30:29,339 INFO L87 Difference]: Start difference. First operand 325 states and 441 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:30,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:30,028 INFO L93 Difference]: Finished difference Result 721 states and 973 transitions. [2024-11-10 09:30:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:30:30,028 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-10 09:30:30,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:30,031 INFO L225 Difference]: With dead ends: 721 [2024-11-10 09:30:30,031 INFO L226 Difference]: Without dead ends: 399 [2024-11-10 09:30:30,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-10 09:30:30,033 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 198 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:30,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 731 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:30:30,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-10 09:30:30,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 269. [2024-11-10 09:30:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 247 states have (on average 1.311740890688259) internal successors, (324), 247 states have internal predecessors, (324), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 362 transitions. [2024-11-10 09:30:30,070 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 362 transitions. Word has length 152 [2024-11-10 09:30:30,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:30,070 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 362 transitions. [2024-11-10 09:30:30,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 362 transitions. [2024-11-10 09:30:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:30,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:30,072 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:30,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 09:30:30,073 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:30,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1217952048, now seen corresponding path program 1 times [2024-11-10 09:30:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:30,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73750593] [2024-11-10 09:30:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:30,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:30,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:30,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73750593] [2024-11-10 09:30:30,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73750593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:30,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:30,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:30:30,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274220469] [2024-11-10 09:30:30,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:30,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:30:30,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:30,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:30:30,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:30:30,420 INFO L87 Difference]: Start difference. First operand 269 states and 362 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:30,943 INFO L93 Difference]: Finished difference Result 610 states and 818 transitions. [2024-11-10 09:30:30,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:30:30,944 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-10 09:30:30,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:30,946 INFO L225 Difference]: With dead ends: 610 [2024-11-10 09:30:30,946 INFO L226 Difference]: Without dead ends: 344 [2024-11-10 09:30:30,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:30:30,947 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 182 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:30,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 653 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:30:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-10 09:30:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 269. [2024-11-10 09:30:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 247 states have (on average 1.3036437246963564) internal successors, (322), 247 states have internal predecessors, (322), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 360 transitions. [2024-11-10 09:30:30,983 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 360 transitions. Word has length 152 [2024-11-10 09:30:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:30,984 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 360 transitions. [2024-11-10 09:30:30,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 360 transitions. [2024-11-10 09:30:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:30,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:30,985 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:30,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 09:30:30,985 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:30,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:30,986 INFO L85 PathProgramCache]: Analyzing trace with hash 278087882, now seen corresponding path program 1 times [2024-11-10 09:30:30,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:30,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661032299] [2024-11-10 09:30:30,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:30,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:31,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661032299] [2024-11-10 09:30:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661032299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:31,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:31,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:30:31,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529768678] [2024-11-10 09:30:31,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:31,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:30:31,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:31,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:30:31,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:30:31,435 INFO L87 Difference]: Start difference. First operand 269 states and 360 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:32,148 INFO L93 Difference]: Finished difference Result 604 states and 804 transitions. [2024-11-10 09:30:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:30:32,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-10 09:30:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:32,151 INFO L225 Difference]: With dead ends: 604 [2024-11-10 09:30:32,151 INFO L226 Difference]: Without dead ends: 338 [2024-11-10 09:30:32,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:30:32,153 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 316 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:32,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 882 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:30:32,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-10 09:30:32,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 265. [2024-11-10 09:30:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 243 states have (on average 1.300411522633745) internal successors, (316), 243 states have internal predecessors, (316), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 354 transitions. [2024-11-10 09:30:32,192 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 354 transitions. Word has length 152 [2024-11-10 09:30:32,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:32,193 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 354 transitions. [2024-11-10 09:30:32,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 354 transitions. [2024-11-10 09:30:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:32,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:32,194 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:32,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 09:30:32,195 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:32,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1198052633, now seen corresponding path program 1 times [2024-11-10 09:30:32,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:32,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893468689] [2024-11-10 09:30:32,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:32,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:32,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893468689] [2024-11-10 09:30:32,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893468689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:32,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:32,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:30:32,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432953919] [2024-11-10 09:30:32,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:32,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:30:32,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:30:32,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:30:32,959 INFO L87 Difference]: Start difference. First operand 265 states and 354 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:33,735 INFO L93 Difference]: Finished difference Result 741 states and 973 transitions. [2024-11-10 09:30:33,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:30:33,736 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-10 09:30:33,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:33,738 INFO L225 Difference]: With dead ends: 741 [2024-11-10 09:30:33,738 INFO L226 Difference]: Without dead ends: 479 [2024-11-10 09:30:33,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:30:33,740 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 216 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:33,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1946 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:30:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-10 09:30:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 322. [2024-11-10 09:30:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 300 states have (on average 1.29) internal successors, (387), 300 states have internal predecessors, (387), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 425 transitions. [2024-11-10 09:30:33,780 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 425 transitions. Word has length 152 [2024-11-10 09:30:33,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:33,780 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 425 transitions. [2024-11-10 09:30:33,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 425 transitions. [2024-11-10 09:30:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:33,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:33,782 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:33,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 09:30:33,783 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:33,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:33,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1265059386, now seen corresponding path program 1 times [2024-11-10 09:30:33,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:33,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652952192] [2024-11-10 09:30:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:34,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:34,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652952192] [2024-11-10 09:30:34,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652952192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:34,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:34,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:30:34,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365419575] [2024-11-10 09:30:34,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:34,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:30:34,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:34,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:30:34,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:30:34,300 INFO L87 Difference]: Start difference. First operand 322 states and 425 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:35,005 INFO L93 Difference]: Finished difference Result 749 states and 979 transitions. [2024-11-10 09:30:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:30:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-10 09:30:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:35,008 INFO L225 Difference]: With dead ends: 749 [2024-11-10 09:30:35,008 INFO L226 Difference]: Without dead ends: 430 [2024-11-10 09:30:35,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:30:35,011 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 90 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:35,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 1505 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:30:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-10 09:30:35,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 315. [2024-11-10 09:30:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 293 states have (on average 1.273037542662116) internal successors, (373), 293 states have internal predecessors, (373), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 411 transitions. [2024-11-10 09:30:35,047 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 411 transitions. Word has length 152 [2024-11-10 09:30:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:35,047 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 411 transitions. [2024-11-10 09:30:35,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 411 transitions. [2024-11-10 09:30:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:30:35,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:35,049 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:35,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 09:30:35,049 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:35,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:35,050 INFO L85 PathProgramCache]: Analyzing trace with hash -162982636, now seen corresponding path program 1 times [2024-11-10 09:30:35,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:35,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788436814] [2024-11-10 09:30:35,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:35,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:35,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:35,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788436814] [2024-11-10 09:30:35,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788436814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:35,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:35,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:30:35,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818732192] [2024-11-10 09:30:35,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:35,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:30:35,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:35,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:30:35,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:30:35,846 INFO L87 Difference]: Start difference. First operand 315 states and 411 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:36,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:36,281 INFO L93 Difference]: Finished difference Result 727 states and 943 transitions. [2024-11-10 09:30:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:30:36,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-10 09:30:36,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:36,288 INFO L225 Difference]: With dead ends: 727 [2024-11-10 09:30:36,288 INFO L226 Difference]: Without dead ends: 415 [2024-11-10 09:30:36,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:30:36,289 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 191 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:36,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 787 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:30:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-10 09:30:36,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 315. [2024-11-10 09:30:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 293 states have (on average 1.273037542662116) internal successors, (373), 293 states have internal predecessors, (373), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 411 transitions. [2024-11-10 09:30:36,329 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 411 transitions. Word has length 152 [2024-11-10 09:30:36,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:36,329 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 411 transitions. [2024-11-10 09:30:36,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 411 transitions. [2024-11-10 09:30:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:30:36,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:36,331 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:36,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 09:30:36,331 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:36,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1121342061, now seen corresponding path program 1 times [2024-11-10 09:30:36,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:36,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517444208] [2024-11-10 09:30:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:36,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:37,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:37,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517444208] [2024-11-10 09:30:37,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517444208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:37,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:37,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:30:37,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404981407] [2024-11-10 09:30:37,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:37,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:30:37,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:37,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:30:37,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:30:37,287 INFO L87 Difference]: Start difference. First operand 315 states and 411 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:38,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:38,118 INFO L93 Difference]: Finished difference Result 687 states and 896 transitions. [2024-11-10 09:30:38,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:30:38,119 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-10 09:30:38,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:38,120 INFO L225 Difference]: With dead ends: 687 [2024-11-10 09:30:38,121 INFO L226 Difference]: Without dead ends: 375 [2024-11-10 09:30:38,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:30:38,122 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 262 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:38,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1366 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:30:38,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-10 09:30:38,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 267. [2024-11-10 09:30:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 245 states have (on average 1.2979591836734694) internal successors, (318), 245 states have internal predecessors, (318), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 356 transitions. [2024-11-10 09:30:38,163 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 356 transitions. Word has length 153 [2024-11-10 09:30:38,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:38,164 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 356 transitions. [2024-11-10 09:30:38,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 356 transitions. [2024-11-10 09:30:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:30:38,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:38,165 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:38,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 09:30:38,166 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:38,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:38,166 INFO L85 PathProgramCache]: Analyzing trace with hash -116894001, now seen corresponding path program 1 times [2024-11-10 09:30:38,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:38,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647123804] [2024-11-10 09:30:38,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:38,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,422 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:38,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:38,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647123804] [2024-11-10 09:30:38,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647123804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:38,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:38,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:30:38,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477898231] [2024-11-10 09:30:38,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:38,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:30:38,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:38,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:30:38,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:38,427 INFO L87 Difference]: Start difference. First operand 267 states and 356 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:38,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:38,574 INFO L93 Difference]: Finished difference Result 562 states and 746 transitions. [2024-11-10 09:30:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:30:38,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-10 09:30:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:38,577 INFO L225 Difference]: With dead ends: 562 [2024-11-10 09:30:38,577 INFO L226 Difference]: Without dead ends: 296 [2024-11-10 09:30:38,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:30:38,578 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 81 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:38,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 788 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:38,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-10 09:30:38,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 267. [2024-11-10 09:30:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 245 states have (on average 1.2897959183673469) internal successors, (316), 245 states have internal predecessors, (316), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 354 transitions. [2024-11-10 09:30:38,618 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 354 transitions. Word has length 153 [2024-11-10 09:30:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:38,618 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 354 transitions. [2024-11-10 09:30:38,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 354 transitions. [2024-11-10 09:30:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:30:38,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:38,620 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:38,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 09:30:38,621 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:38,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash -525718226, now seen corresponding path program 1 times [2024-11-10 09:30:38,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943616024] [2024-11-10 09:30:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:38,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:38,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:38,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943616024] [2024-11-10 09:30:38,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943616024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:38,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:38,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:30:38,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786516846] [2024-11-10 09:30:38,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:38,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:30:38,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:38,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:30:38,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:38,888 INFO L87 Difference]: Start difference. First operand 267 states and 354 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:39,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:39,018 INFO L93 Difference]: Finished difference Result 559 states and 739 transitions. [2024-11-10 09:30:39,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:30:39,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-10 09:30:39,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:39,021 INFO L225 Difference]: With dead ends: 559 [2024-11-10 09:30:39,021 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 09:30:39,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:30:39,022 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 125 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:39,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 694 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 09:30:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 263. [2024-11-10 09:30:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 241 states have (on average 1.2904564315352698) internal successors, (311), 241 states have internal predecessors, (311), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 349 transitions. [2024-11-10 09:30:39,064 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 349 transitions. Word has length 153 [2024-11-10 09:30:39,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:39,064 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 349 transitions. [2024-11-10 09:30:39,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 349 transitions. [2024-11-10 09:30:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:30:39,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:39,066 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:39,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 09:30:39,066 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:39,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:39,067 INFO L85 PathProgramCache]: Analyzing trace with hash -776504951, now seen corresponding path program 1 times [2024-11-10 09:30:39,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:39,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729910075] [2024-11-10 09:30:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:39,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:39,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729910075] [2024-11-10 09:30:39,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729910075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:39,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:39,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:30:39,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988119366] [2024-11-10 09:30:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:39,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:30:39,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:39,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:30:39,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:30:39,368 INFO L87 Difference]: Start difference. First operand 263 states and 349 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:39,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:39,507 INFO L93 Difference]: Finished difference Result 596 states and 781 transitions. [2024-11-10 09:30:39,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:30:39,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-10 09:30:39,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:39,509 INFO L225 Difference]: With dead ends: 596 [2024-11-10 09:30:39,509 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 09:30:39,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:30:39,510 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 102 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:39,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 913 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:39,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 09:30:39,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 272. [2024-11-10 09:30:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 250 states have (on average 1.28) internal successors, (320), 250 states have internal predecessors, (320), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 358 transitions. [2024-11-10 09:30:39,553 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 358 transitions. Word has length 153 [2024-11-10 09:30:39,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:39,554 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 358 transitions. [2024-11-10 09:30:39,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 358 transitions. [2024-11-10 09:30:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:30:39,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:39,555 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:39,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 09:30:39,556 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:39,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1480406056, now seen corresponding path program 1 times [2024-11-10 09:30:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:39,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164540147] [2024-11-10 09:30:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:39,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:39,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164540147] [2024-11-10 09:30:39,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164540147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:39,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:39,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:30:39,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312772425] [2024-11-10 09:30:39,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:39,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:30:39,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:39,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:30:39,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:30:39,796 INFO L87 Difference]: Start difference. First operand 272 states and 358 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:39,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:39,910 INFO L93 Difference]: Finished difference Result 566 states and 744 transitions. [2024-11-10 09:30:39,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:30:39,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-10 09:30:39,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:39,912 INFO L225 Difference]: With dead ends: 566 [2024-11-10 09:30:39,912 INFO L226 Difference]: Without dead ends: 297 [2024-11-10 09:30:39,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:30:39,913 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 121 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:39,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 553 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:30:39,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-10 09:30:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 260. [2024-11-10 09:30:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 238 states have (on average 1.2899159663865547) internal successors, (307), 238 states have internal predecessors, (307), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 345 transitions. [2024-11-10 09:30:39,952 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 345 transitions. Word has length 153 [2024-11-10 09:30:39,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:39,952 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 345 transitions. [2024-11-10 09:30:39,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:30:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 345 transitions. [2024-11-10 09:30:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:30:39,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:39,954 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:39,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 09:30:39,954 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:39,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash 254542797, now seen corresponding path program 1 times [2024-11-10 09:30:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:39,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544280879] [2024-11-10 09:30:39,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:30:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:30:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:30:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:30:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:30:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:30:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:30:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:30:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:30:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:30:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:30:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:30:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:30:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:30:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:30:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:30:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:30:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:30:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:30:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:30:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:30:40,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:30:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544280879] [2024-11-10 09:30:40,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544280879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:30:40,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:30:40,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:30:40,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526116028] [2024-11-10 09:30:40,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:30:40,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:30:40,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:30:40,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:30:40,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:30:40,960 INFO L87 Difference]: Start difference. First operand 260 states and 345 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:41,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:30:41,843 INFO L93 Difference]: Finished difference Result 605 states and 799 transitions. [2024-11-10 09:30:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:30:41,843 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-11-10 09:30:41,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:30:41,846 INFO L225 Difference]: With dead ends: 605 [2024-11-10 09:30:41,846 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 09:30:41,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-11-10 09:30:41,847 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 176 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:30:41,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1054 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:30:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 09:30:41,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2024-11-10 09:30:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 266 states have (on average 1.2857142857142858) internal successors, (342), 266 states have internal predecessors, (342), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:30:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 380 transitions. [2024-11-10 09:30:41,893 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 380 transitions. Word has length 154 [2024-11-10 09:30:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:30:41,893 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 380 transitions. [2024-11-10 09:30:41,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:30:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 380 transitions. [2024-11-10 09:30:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:30:41,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:30:41,895 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:30:41,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 09:30:41,895 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:30:41,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:30:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash 947644494, now seen corresponding path program 1 times [2024-11-10 09:30:41,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:30:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801231505] [2024-11-10 09:30:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:30:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:30:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat