./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-44.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 c4bbaaa17258129f6bb60f5a0d551610bd9b55c16f80d3fd4e62d867a6759bbe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:54:53,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:54:53,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:54:53,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:54:53,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:54:53,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:54:53,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:54:53,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:54:53,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:54:53,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:54:53,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:54:53,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:54:53,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:54:53,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:54:53,867 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:54:53,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:54:53,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:54:53,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:54:53,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:54:53,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:54:53,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:54:53,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:54:53,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:54:53,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:54:53,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:54:53,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:54:53,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:54:53,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:54:53,872 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:54:53,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:54:53,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:54:53,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:54:53,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:54:53,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:54:53,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:54:53,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:54:53,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:54:53,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:54:53,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:54:53,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:54:53,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:54:53,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:54:53,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4bbaaa17258129f6bb60f5a0d551610bd9b55c16f80d3fd4e62d867a6759bbe [2024-11-16 18:54:54,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:54:54,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:54:54,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:54:54,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:54:54,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:54:54,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-44.i [2024-11-16 18:54:55,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:54:55,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:54:55,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-44.i [2024-11-16 18:54:55,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3925815/67afc5c94bbb4c75b91ca456d278d9b3/FLAGb7e357b3b [2024-11-16 18:54:55,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3925815/67afc5c94bbb4c75b91ca456d278d9b3 [2024-11-16 18:54:55,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:54:55,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:54:55,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:54:55,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:54:55,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:54:55,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36eb67bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55, skipping insertion in model container [2024-11-16 18:54:55,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:54:55,590 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-sp_file-44.i[917,930] [2024-11-16 18:54:55,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:54:55,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:54:55,690 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-sp_file-44.i[917,930] [2024-11-16 18:54:55,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:54:55,747 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:54:55,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55 WrapperNode [2024-11-16 18:54:55,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:54:55,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:54:55,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:54:55,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:54:55,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,792 INFO L138 Inliner]: procedures = 30, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2024-11-16 18:54:55,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:54:55,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:54:55,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:54:55,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:54:55,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,812 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-16 18:54:55,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:54:55,848 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:54:55,848 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:54:55,848 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:54:55,849 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (1/1) ... [2024-11-16 18:54:55,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:54:55,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:54:55,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:54:55,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:54:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:54:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-16 18:54:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-16 18:54:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-16 18:54:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 18:54:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-16 18:54:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 18:54:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:54:55,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:54:55,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 18:54:55,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:54:55,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:54:56,016 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:54:56,018 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:54:56,469 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: havoc property_#t~mem87#1;havoc property_#t~mem85#1;havoc property_#t~mem86#1;havoc property_#t~ite100#1;havoc property_#t~mem88#1;havoc property_#t~mem89#1;havoc property_#t~ite92#1;havoc property_#t~mem90#1;havoc property_#t~mem91#1;havoc property_#t~mem93#1;havoc property_#t~mem94#1;havoc property_#t~ite97#1;havoc property_#t~mem96#1;havoc property_#t~mem95#1;havoc property_#t~mem99#1;havoc property_#t~mem98#1;havoc property_#t~mem101#1;havoc property_#t~ite115#1;havoc property_#t~mem102#1;havoc property_#t~mem103#1;havoc property_#t~ite114#1;havoc property_#t~mem105#1;havoc property_#t~mem104#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~mem110#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~ite113#1;havoc property_#t~mem112#1;havoc property_#t~mem111#1;havoc property_#t~short116#1;havoc property_#t~mem121#1;havoc property_#t~mem117#1;havoc property_#t~ite120#1;havoc property_#t~mem118#1;havoc property_#t~mem119#1;havoc property_#t~mem122#1;havoc property_#t~ite132#1;havoc property_#t~mem131#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~short126#1;havoc property_#t~mem127#1;havoc property_#t~mem128#1;havoc property_#t~short129#1;havoc property_#t~short130#1;havoc property_#t~short133#1;havoc property_#t~mem135#1;havoc property_#t~mem134#1;havoc property_#t~short136#1; [2024-11-16 18:54:56,511 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-16 18:54:56,511 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:54:56,525 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:54:56,526 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:54:56,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:54:56 BoogieIcfgContainer [2024-11-16 18:54:56,527 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:54:56,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:54:56,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:54:56,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:54:56,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:54:55" (1/3) ... [2024-11-16 18:54:56,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae12283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:54:56, skipping insertion in model container [2024-11-16 18:54:56,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:54:55" (2/3) ... [2024-11-16 18:54:56,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae12283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:54:56, skipping insertion in model container [2024-11-16 18:54:56,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:54:56" (3/3) ... [2024-11-16 18:54:56,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-44.i [2024-11-16 18:54:56,547 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:54:56,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:54:56,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:54:56,600 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;@726a05a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:54:56,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:54:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 98 states have internal predecessors, (133), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:54:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 18:54:56,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:54:56,617 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:54:56,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:54:56,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:54:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash -221266452, now seen corresponding path program 1 times [2024-11-16 18:54:56,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:54:56,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422252239] [2024-11-16 18:54:56,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:54:56,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:54:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:54:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:54:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:54:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:54:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:54:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:54:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:56,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:54:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:54:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:54:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:54:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:54:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:54:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:54:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:54:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:54:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:54:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:54:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:54:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:54:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:54:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:54:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:54:57,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:54:57,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422252239] [2024-11-16 18:54:57,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422252239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:54:57,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:54:57,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:54:57,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010267779] [2024-11-16 18:54:57,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:54:57,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:54:57,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:54:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:54:57,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:54:57,118 INFO L87 Difference]: Start difference. First operand has 121 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 98 states have internal predecessors, (133), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:54:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:54:57,142 INFO L93 Difference]: Finished difference Result 234 states and 364 transitions. [2024-11-16 18:54:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:54:57,143 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2024-11-16 18:54:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:54:57,149 INFO L225 Difference]: With dead ends: 234 [2024-11-16 18:54:57,149 INFO L226 Difference]: Without dead ends: 116 [2024-11-16 18:54:57,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:54:57,154 INFO L432 NwaCegarLoop]: 167 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, 167 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 [2024-11-16 18:54:57,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:54:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-16 18:54:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-16 18:54:57,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:54:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2024-11-16 18:54:57,189 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 161 [2024-11-16 18:54:57,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:54:57,189 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2024-11-16 18:54:57,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:54:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2024-11-16 18:54:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 18:54:57,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:54:57,192 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:54:57,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:54:57,192 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:54:57,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:54:57,193 INFO L85 PathProgramCache]: Analyzing trace with hash 315797651, now seen corresponding path program 1 times [2024-11-16 18:54:57,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:54:57,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803269846] [2024-11-16 18:54:57,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:54:57,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:54:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:54:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:54:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:54:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:54:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:54:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:54:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:54:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:54:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:54:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:54:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:54:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:54:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:54:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:54:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:54:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:54:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:54:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:54:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:54:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:54:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:54:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:57,497 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:54:57,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:54:57,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803269846] [2024-11-16 18:54:57,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803269846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:54:57,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:54:57,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:54:57,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760200550] [2024-11-16 18:54:57,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:54:57,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:54:57,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:54:57,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:54:57,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:54:57,501 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:54:57,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:54:57,542 INFO L93 Difference]: Finished difference Result 231 states and 334 transitions. [2024-11-16 18:54:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:54:57,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2024-11-16 18:54:57,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:54:57,545 INFO L225 Difference]: With dead ends: 231 [2024-11-16 18:54:57,547 INFO L226 Difference]: Without dead ends: 118 [2024-11-16 18:54:57,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:54:57,549 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:54:57,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 484 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:54:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-16 18:54:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-16 18:54:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:54:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2024-11-16 18:54:57,566 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 161 [2024-11-16 18:54:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:54:57,570 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2024-11-16 18:54:57,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:54:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2024-11-16 18:54:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 18:54:57,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:54:57,574 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:54:57,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:54:57,574 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:54:57,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:54:57,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1969065804, now seen corresponding path program 1 times [2024-11-16 18:54:57,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:54:57,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79599929] [2024-11-16 18:54:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:54:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:54:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:54:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:54:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:54:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:54:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:54:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:54:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:54:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:54:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:54:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:54:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:54:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:54:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:54:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:54:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:54:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:54:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:54:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:54:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:54:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:54:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:54:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:54:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:54:58,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:54:58,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79599929] [2024-11-16 18:54:58,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79599929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:54:58,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:54:58,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:54:58,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715811871] [2024-11-16 18:54:58,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:54:58,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:54:58,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:54:58,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:54:58,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:54:58,448 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:54:58,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:54:58,915 INFO L93 Difference]: Finished difference Result 287 states and 412 transitions. [2024-11-16 18:54:58,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:54:58,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2024-11-16 18:54:58,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:54:58,918 INFO L225 Difference]: With dead ends: 287 [2024-11-16 18:54:58,918 INFO L226 Difference]: Without dead ends: 172 [2024-11-16 18:54:58,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:54:58,920 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 183 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:54:58,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 564 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:54:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-16 18:54:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 130. [2024-11-16 18:54:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:54:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2024-11-16 18:54:58,941 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 161 [2024-11-16 18:54:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:54:58,941 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2024-11-16 18:54:58,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:54:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2024-11-16 18:54:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:54:58,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:54:58,943 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:54:58,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:54:58,947 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:54:58,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:54:58,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2046175423, now seen corresponding path program 1 times [2024-11-16 18:54:58,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:54:58,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576825167] [2024-11-16 18:54:58,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:54:58,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:54:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:00,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:00,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576825167] [2024-11-16 18:55:00,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576825167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:00,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:00,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:55:00,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159310528] [2024-11-16 18:55:00,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:00,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:55:00,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:00,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:55:00,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:55:00,251 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:00,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:00,493 INFO L93 Difference]: Finished difference Result 372 states and 537 transitions. [2024-11-16 18:55:00,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:55:00,494 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), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2024-11-16 18:55:00,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:00,496 INFO L225 Difference]: With dead ends: 372 [2024-11-16 18:55:00,496 INFO L226 Difference]: Without dead ends: 245 [2024-11-16 18:55:00,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:55:00,498 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 188 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:00,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 441 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:55:00,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-16 18:55:00,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 236. [2024-11-16 18:55:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 191 states have internal predecessors, (257), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 18:55:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 341 transitions. [2024-11-16 18:55:00,533 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 341 transitions. Word has length 162 [2024-11-16 18:55:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:00,534 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 341 transitions. [2024-11-16 18:55:00,534 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), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 341 transitions. [2024-11-16 18:55:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:55:00,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:00,537 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:00,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:55:00,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:00,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1637351198, now seen corresponding path program 1 times [2024-11-16 18:55:00,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:00,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888538259] [2024-11-16 18:55:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:01,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:01,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888538259] [2024-11-16 18:55:01,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888538259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:01,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:01,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:55:01,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995774599] [2024-11-16 18:55:01,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:01,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:55:01,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:01,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:55:01,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:55:01,921 INFO L87 Difference]: Start difference. First operand 236 states and 341 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:02,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:02,252 INFO L93 Difference]: Finished difference Result 490 states and 709 transitions. [2024-11-16 18:55:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:55:02,253 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), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2024-11-16 18:55:02,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:02,255 INFO L225 Difference]: With dead ends: 490 [2024-11-16 18:55:02,255 INFO L226 Difference]: Without dead ends: 363 [2024-11-16 18:55:02,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:55:02,256 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 281 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:02,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 603 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:55:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-16 18:55:02,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 248. [2024-11-16 18:55:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 18:55:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 358 transitions. [2024-11-16 18:55:02,279 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 358 transitions. Word has length 162 [2024-11-16 18:55:02,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:02,280 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 358 transitions. [2024-11-16 18:55:02,280 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), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 358 transitions. [2024-11-16 18:55:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:55:02,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:02,281 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:02,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:55:02,281 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:02,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:02,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1149128496, now seen corresponding path program 1 times [2024-11-16 18:55:02,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:02,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39220952] [2024-11-16 18:55:02,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:02,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:02,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:02,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39220952] [2024-11-16 18:55:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39220952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:02,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:02,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:55:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765473398] [2024-11-16 18:55:02,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:02,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:55:02,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:02,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:55:02,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:55:02,440 INFO L87 Difference]: Start difference. First operand 248 states and 358 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:02,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:02,580 INFO L93 Difference]: Finished difference Result 377 states and 544 transitions. [2024-11-16 18:55:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:55:02,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 162 [2024-11-16 18:55:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:02,582 INFO L225 Difference]: With dead ends: 377 [2024-11-16 18:55:02,583 INFO L226 Difference]: Without dead ends: 250 [2024-11-16 18:55:02,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:55:02,585 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 2 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:02,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 435 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:55:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-16 18:55:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-11-16 18:55:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 203 states have (on average 1.3300492610837438) internal successors, (270), 203 states have internal predecessors, (270), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 18:55:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 354 transitions. [2024-11-16 18:55:02,609 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 354 transitions. Word has length 162 [2024-11-16 18:55:02,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:02,609 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 354 transitions. [2024-11-16 18:55:02,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 354 transitions. [2024-11-16 18:55:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-16 18:55:02,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:02,611 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:02,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 18:55:02,611 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:02,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:02,612 INFO L85 PathProgramCache]: Analyzing trace with hash 258585303, now seen corresponding path program 1 times [2024-11-16 18:55:02,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:02,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962533246] [2024-11-16 18:55:02,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:02,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:03,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:03,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962533246] [2024-11-16 18:55:03,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962533246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:03,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:03,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:55:03,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429592927] [2024-11-16 18:55:03,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:03,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:55:03,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:03,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:55:03,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:55:03,341 INFO L87 Difference]: Start difference. First operand 248 states and 354 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:03,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:03,769 INFO L93 Difference]: Finished difference Result 454 states and 647 transitions. [2024-11-16 18:55:03,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:55:03,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2024-11-16 18:55:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:03,771 INFO L225 Difference]: With dead ends: 454 [2024-11-16 18:55:03,772 INFO L226 Difference]: Without dead ends: 327 [2024-11-16 18:55:03,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:55:03,773 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 284 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:03,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 567 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:55:03,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-16 18:55:03,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 248. [2024-11-16 18:55:03,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 203 states have (on average 1.3300492610837438) internal successors, (270), 203 states have internal predecessors, (270), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 18:55:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 354 transitions. [2024-11-16 18:55:03,795 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 354 transitions. Word has length 163 [2024-11-16 18:55:03,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:03,795 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 354 transitions. [2024-11-16 18:55:03,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 354 transitions. [2024-11-16 18:55:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:55:03,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:03,797 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:03,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 18:55:03,797 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:03,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash -829314524, now seen corresponding path program 1 times [2024-11-16 18:55:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:03,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310261100] [2024-11-16 18:55:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:06,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:06,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310261100] [2024-11-16 18:55:06,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310261100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:06,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:06,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 18:55:06,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312068234] [2024-11-16 18:55:06,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:06,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 18:55:06,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:06,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 18:55:06,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:55:06,367 INFO L87 Difference]: Start difference. First operand 248 states and 354 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 18:55:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:07,750 INFO L93 Difference]: Finished difference Result 604 states and 857 transitions. [2024-11-16 18:55:07,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 18:55:07,753 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 164 [2024-11-16 18:55:07,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:07,754 INFO L225 Difference]: With dead ends: 604 [2024-11-16 18:55:07,754 INFO L226 Difference]: Without dead ends: 359 [2024-11-16 18:55:07,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-16 18:55:07,755 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 275 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:07,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 793 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 18:55:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-16 18:55:07,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 348. [2024-11-16 18:55:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 297 states have (on average 1.3434343434343434) internal successors, (399), 299 states have internal predecessors, (399), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 491 transitions. [2024-11-16 18:55:07,790 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 491 transitions. Word has length 164 [2024-11-16 18:55:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:07,791 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 491 transitions. [2024-11-16 18:55:07,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 18:55:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 491 transitions. [2024-11-16 18:55:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:55:07,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:07,792 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:07,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 18:55:07,793 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:07,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:07,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1208741765, now seen corresponding path program 1 times [2024-11-16 18:55:07,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:07,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844802093] [2024-11-16 18:55:07,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:07,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:10,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:10,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844802093] [2024-11-16 18:55:10,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844802093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:10,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:10,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 18:55:10,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508862077] [2024-11-16 18:55:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:10,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 18:55:10,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 18:55:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:55:10,510 INFO L87 Difference]: Start difference. First operand 348 states and 491 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:11,710 INFO L93 Difference]: Finished difference Result 790 states and 1111 transitions. [2024-11-16 18:55:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:55:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 164 [2024-11-16 18:55:11,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:11,713 INFO L225 Difference]: With dead ends: 790 [2024-11-16 18:55:11,713 INFO L226 Difference]: Without dead ends: 445 [2024-11-16 18:55:11,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:55:11,714 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 276 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:11,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 745 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 18:55:11,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-16 18:55:11,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 334. [2024-11-16 18:55:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 283 states have (on average 1.3392226148409894) internal successors, (379), 285 states have internal predecessors, (379), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 471 transitions. [2024-11-16 18:55:11,746 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 471 transitions. Word has length 164 [2024-11-16 18:55:11,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:11,746 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 471 transitions. [2024-11-16 18:55:11,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 471 transitions. [2024-11-16 18:55:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 18:55:11,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:11,748 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:11,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 18:55:11,748 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:11,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash -2076547237, now seen corresponding path program 1 times [2024-11-16 18:55:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:11,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092896678] [2024-11-16 18:55:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:11,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:11,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092896678] [2024-11-16 18:55:11,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092896678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:11,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:11,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:55:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819300583] [2024-11-16 18:55:11,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:11,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:55:11,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:11,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:55:11,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:55:11,934 INFO L87 Difference]: Start difference. First operand 334 states and 471 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:12,091 INFO L93 Difference]: Finished difference Result 553 states and 778 transitions. [2024-11-16 18:55:12,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:55:12,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2024-11-16 18:55:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:12,094 INFO L225 Difference]: With dead ends: 553 [2024-11-16 18:55:12,094 INFO L226 Difference]: Without dead ends: 380 [2024-11-16 18:55:12,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:55:12,096 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 57 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:12,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 692 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:55:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-16 18:55:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 337. [2024-11-16 18:55:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 286 states have (on average 1.3356643356643356) internal successors, (382), 288 states have internal predecessors, (382), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 474 transitions. [2024-11-16 18:55:12,142 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 474 transitions. Word has length 165 [2024-11-16 18:55:12,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:12,142 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 474 transitions. [2024-11-16 18:55:12,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 474 transitions. [2024-11-16 18:55:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 18:55:12,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:12,144 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:12,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 18:55:12,144 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:12,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:12,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1524341888, now seen corresponding path program 1 times [2024-11-16 18:55:12,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:12,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132477709] [2024-11-16 18:55:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:12,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:12,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132477709] [2024-11-16 18:55:12,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132477709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:12,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:12,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:55:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169923136] [2024-11-16 18:55:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:12,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:55:12,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:55:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:55:12,275 INFO L87 Difference]: Start difference. First operand 337 states and 474 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:12,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:12,314 INFO L93 Difference]: Finished difference Result 683 states and 961 transitions. [2024-11-16 18:55:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:55:12,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2024-11-16 18:55:12,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:12,316 INFO L225 Difference]: With dead ends: 683 [2024-11-16 18:55:12,316 INFO L226 Difference]: Without dead ends: 349 [2024-11-16 18:55:12,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:55:12,317 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:12,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 635 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:55:12,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-16 18:55:12,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-11-16 18:55:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 298 states have (on average 1.3221476510067114) internal successors, (394), 300 states have internal predecessors, (394), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 486 transitions. [2024-11-16 18:55:12,345 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 486 transitions. Word has length 165 [2024-11-16 18:55:12,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:12,345 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 486 transitions. [2024-11-16 18:55:12,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 486 transitions. [2024-11-16 18:55:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 18:55:12,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:12,347 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:12,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 18:55:12,347 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:12,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:12,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1721059047, now seen corresponding path program 1 times [2024-11-16 18:55:12,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:12,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879638500] [2024-11-16 18:55:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:13,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879638500] [2024-11-16 18:55:13,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879638500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:13,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:13,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:55:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40002826] [2024-11-16 18:55:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:13,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:55:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:13,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:55:13,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:55:13,031 INFO L87 Difference]: Start difference. First operand 349 states and 486 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:13,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:13,429 INFO L93 Difference]: Finished difference Result 594 states and 824 transitions. [2024-11-16 18:55:13,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:55:13,429 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2024-11-16 18:55:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:13,431 INFO L225 Difference]: With dead ends: 594 [2024-11-16 18:55:13,431 INFO L226 Difference]: Without dead ends: 412 [2024-11-16 18:55:13,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:55:13,432 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 270 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:13,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 597 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:55:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-16 18:55:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 362. [2024-11-16 18:55:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 311 states have (on average 1.32475884244373) internal successors, (412), 313 states have internal predecessors, (412), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 504 transitions. [2024-11-16 18:55:13,462 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 504 transitions. Word has length 167 [2024-11-16 18:55:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:13,463 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 504 transitions. [2024-11-16 18:55:13,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 504 transitions. [2024-11-16 18:55:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 18:55:13,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:13,464 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:13,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 18:55:13,464 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:13,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash 48143294, now seen corresponding path program 1 times [2024-11-16 18:55:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:13,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615712291] [2024-11-16 18:55:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:13,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:14,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:14,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615712291] [2024-11-16 18:55:14,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615712291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:14,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:14,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 18:55:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035298893] [2024-11-16 18:55:14,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:14,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 18:55:14,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:14,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 18:55:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:55:14,366 INFO L87 Difference]: Start difference. First operand 362 states and 504 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:14,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:14,979 INFO L93 Difference]: Finished difference Result 603 states and 837 transitions. [2024-11-16 18:55:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:55:14,980 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2024-11-16 18:55:14,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:14,981 INFO L225 Difference]: With dead ends: 603 [2024-11-16 18:55:14,981 INFO L226 Difference]: Without dead ends: 408 [2024-11-16 18:55:14,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:55:14,982 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 179 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:14,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 623 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 18:55:14,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-16 18:55:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 358. [2024-11-16 18:55:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 307 states have (on average 1.3224755700325732) internal successors, (406), 309 states have internal predecessors, (406), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 498 transitions. [2024-11-16 18:55:15,011 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 498 transitions. Word has length 167 [2024-11-16 18:55:15,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:15,012 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 498 transitions. [2024-11-16 18:55:15,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 498 transitions. [2024-11-16 18:55:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 18:55:15,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:15,013 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:15,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 18:55:15,013 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:15,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:15,014 INFO L85 PathProgramCache]: Analyzing trace with hash 310687962, now seen corresponding path program 1 times [2024-11-16 18:55:15,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:15,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159633078] [2024-11-16 18:55:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:15,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:17,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:17,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159633078] [2024-11-16 18:55:17,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159633078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:17,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:17,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 18:55:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531386757] [2024-11-16 18:55:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:17,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 18:55:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 18:55:17,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:55:17,309 INFO L87 Difference]: Start difference. First operand 358 states and 498 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 18:55:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:18,171 INFO L93 Difference]: Finished difference Result 748 states and 1038 transitions. [2024-11-16 18:55:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:55:18,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 167 [2024-11-16 18:55:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:18,174 INFO L225 Difference]: With dead ends: 748 [2024-11-16 18:55:18,174 INFO L226 Difference]: Without dead ends: 393 [2024-11-16 18:55:18,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-16 18:55:18,175 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 451 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:18,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 523 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 18:55:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-16 18:55:18,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 358. [2024-11-16 18:55:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 307 states have (on average 1.3159609120521172) internal successors, (404), 309 states have internal predecessors, (404), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 496 transitions. [2024-11-16 18:55:18,211 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 496 transitions. Word has length 167 [2024-11-16 18:55:18,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:18,212 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 496 transitions. [2024-11-16 18:55:18,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 18:55:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 496 transitions. [2024-11-16 18:55:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 18:55:18,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:18,214 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:18,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 18:55:18,214 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:18,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1479883202, now seen corresponding path program 1 times [2024-11-16 18:55:18,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:18,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668173088] [2024-11-16 18:55:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:18,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:18,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:18,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668173088] [2024-11-16 18:55:18,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668173088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:18,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:18,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 18:55:18,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789698290] [2024-11-16 18:55:18,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:18,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 18:55:18,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:18,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 18:55:18,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:55:18,306 INFO L87 Difference]: Start difference. First operand 358 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:18,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:18,337 INFO L93 Difference]: Finished difference Result 713 states and 989 transitions. [2024-11-16 18:55:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 18:55:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2024-11-16 18:55:18,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:18,339 INFO L225 Difference]: With dead ends: 713 [2024-11-16 18:55:18,339 INFO L226 Difference]: Without dead ends: 358 [2024-11-16 18:55:18,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:55:18,340 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:18,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:55:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-16 18:55:18,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-11-16 18:55:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 307 states have (on average 1.3029315960912051) internal successors, (400), 309 states have internal predecessors, (400), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 492 transitions. [2024-11-16 18:55:18,371 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 492 transitions. Word has length 167 [2024-11-16 18:55:18,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:18,371 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 492 transitions. [2024-11-16 18:55:18,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-16 18:55:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 492 transitions. [2024-11-16 18:55:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-16 18:55:18,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:18,373 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:18,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 18:55:18,373 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:18,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:18,373 INFO L85 PathProgramCache]: Analyzing trace with hash 167526886, now seen corresponding path program 1 times [2024-11-16 18:55:18,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:18,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097801682] [2024-11-16 18:55:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:18,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:20,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:20,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097801682] [2024-11-16 18:55:20,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097801682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:20,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:20,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 18:55:20,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487511286] [2024-11-16 18:55:20,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:20,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 18:55:20,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:20,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 18:55:20,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:55:20,243 INFO L87 Difference]: Start difference. First operand 358 states and 492 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:21,229 INFO L93 Difference]: Finished difference Result 701 states and 961 transitions. [2024-11-16 18:55:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:55:21,229 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-16 18:55:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:21,231 INFO L225 Difference]: With dead ends: 701 [2024-11-16 18:55:21,231 INFO L226 Difference]: Without dead ends: 504 [2024-11-16 18:55:21,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-16 18:55:21,232 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 184 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:21,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 731 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 18:55:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-16 18:55:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 381. [2024-11-16 18:55:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 330 states have (on average 1.309090909090909) internal successors, (432), 332 states have internal predecessors, (432), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 524 transitions. [2024-11-16 18:55:21,267 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 524 transitions. Word has length 168 [2024-11-16 18:55:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:21,267 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 524 transitions. [2024-11-16 18:55:21,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2024-11-16 18:55:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-16 18:55:21,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:21,269 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:21,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 18:55:21,270 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:21,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:21,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1936729227, now seen corresponding path program 1 times [2024-11-16 18:55:21,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:21,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769300406] [2024-11-16 18:55:21,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:55:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:55:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:55:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:55:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:55:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:55:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:55:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:55:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:55:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:55:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:55:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:55:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:55:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:55:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:55:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:55:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:55:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:55:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 18:55:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 18:55:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:55:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:55:23,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:55:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769300406] [2024-11-16 18:55:23,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769300406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:55:23,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:55:23,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 18:55:23,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38313375] [2024-11-16 18:55:23,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:55:23,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 18:55:23,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:55:23,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 18:55:23,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:55:23,574 INFO L87 Difference]: Start difference. First operand 381 states and 524 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:24,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:55:24,724 INFO L93 Difference]: Finished difference Result 722 states and 989 transitions. [2024-11-16 18:55:24,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:55:24,724 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-16 18:55:24,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:55:24,726 INFO L225 Difference]: With dead ends: 722 [2024-11-16 18:55:24,726 INFO L226 Difference]: Without dead ends: 506 [2024-11-16 18:55:24,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-16 18:55:24,727 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 269 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 18:55:24,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 673 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 18:55:24,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-16 18:55:24,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 381. [2024-11-16 18:55:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 330 states have (on average 1.309090909090909) internal successors, (432), 332 states have internal predecessors, (432), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 18:55:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 524 transitions. [2024-11-16 18:55:24,766 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 524 transitions. Word has length 168 [2024-11-16 18:55:24,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:55:24,767 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 524 transitions. [2024-11-16 18:55:24,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:55:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2024-11-16 18:55:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-16 18:55:24,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:55:24,768 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:55:24,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 18:55:24,768 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:55:24,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:55:24,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2095693401, now seen corresponding path program 1 times [2024-11-16 18:55:24,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:55:24,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659220252] [2024-11-16 18:55:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:55:24,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:55:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:55:30,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete