./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.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 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:14:22,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:14:22,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:14:22,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:14:22,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:14:22,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:14:22,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:14:22,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:14:22,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:14:22,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:14:22,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:14:22,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:14:22,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:14:22,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:14:22,114 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:14:22,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:14:22,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:14:22,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:14:22,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:14:22,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:14:22,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:14:22,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:14:22,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:14:22,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:14:22,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:14:22,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:14:22,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:14:22,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:14:22,120 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:14:22,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:14:22,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:14:22,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:14:22,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:14:22,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:14:22,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:14:22,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:14:22,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:14:22,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:14:22,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:14:22,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:14:22,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:14:22,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:14:22,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 [2024-11-10 09:14:22,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:14:22,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:14:22,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:14:22,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:14:22,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:14:22,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2024-11-10 09:14:23,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:14:23,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:14:23,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2024-11-10 09:14:23,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65da8be8a/88703588dce04230b0294b98ca6cef28/FLAGb991c6afd [2024-11-10 09:14:23,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65da8be8a/88703588dce04230b0294b98ca6cef28 [2024-11-10 09:14:23,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:14:23,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:14:23,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:14:23,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:14:23,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:14:23,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:14:23" (1/1) ... [2024-11-10 09:14:23,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309d28e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:23, skipping insertion in model container [2024-11-10 09:14:23,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:14:23" (1/1) ... [2024-11-10 09:14:23,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:14:24,076 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-a_file-32.i[916,929] [2024-11-10 09:14:24,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:14:24,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:14:24,159 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-a_file-32.i[916,929] [2024-11-10 09:14:24,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:14:24,209 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:14:24,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24 WrapperNode [2024-11-10 09:14:24,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:14:24,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:14:24,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:14:24,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:14:24,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,268 INFO L138 Inliner]: procedures = 26, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2024-11-10 09:14:24,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:14:24,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:14:24,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:14:24,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:14:24,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,304 INFO L175 MemorySlicer]: Split 124 memory accesses to 6 slices as follows [2, 14, 23, 8, 24, 53]. 43 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 2, 3, 1, 2, 4]. The 15 writes are split as follows [0, 2, 5, 2, 2, 4]. [2024-11-10 09:14:24,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:14:24,328 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:14:24,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:14:24,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:14:24,329 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (1/1) ... [2024-11-10 09:14:24,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:14:24,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:14:24,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 09:14:24,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 09:14:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:14:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 09:14:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:14:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:14:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 09:14:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 09:14:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 09:14:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 09:14:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 09:14:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:14:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:14:24,519 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:14:24,521 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:14:24,890 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L101: havoc property_#t~ite85#1;havoc property_#t~mem84#1;havoc property_#t~mem75#1;havoc property_#t~mem71#1;havoc property_#t~ite74#1;havoc property_#t~mem72#1;havoc property_#t~mem73#1;havoc property_#t~mem76#1;havoc property_#t~ite83#1;havoc property_#t~mem81#1;havoc property_#t~mem77#1;havoc property_#t~ite80#1;havoc property_#t~mem78#1;havoc property_#t~mem79#1;havoc property_#t~mem82#1;havoc property_#t~mem86#1;havoc property_#t~mem87#1;havoc property_#t~mem88#1;havoc property_#t~ite97#1;havoc property_#t~mem89#1;havoc property_#t~ite96#1;havoc property_#t~mem91#1;havoc property_#t~mem90#1;havoc property_#t~mem92#1;havoc property_#t~ite95#1;havoc property_#t~mem94#1;havoc property_#t~mem93#1;havoc property_#t~short98#1;havoc property_#t~mem101#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~ite123#1;havoc property_#t~mem104#1;havoc property_#t~mem103#1;havoc property_#t~mem102#1;havoc property_#t~ite120#1;havoc property_#t~mem105#1;havoc property_#t~ite111#1;havoc property_#t~mem110#1;havoc property_#t~mem109#1;havoc property_#t~mem108#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~mem119#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem114#1;havoc property_#t~ite118#1;havoc property_#t~mem115#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~mem122#1;havoc property_#t~mem121#1;havoc property_#t~short124#1; [2024-11-10 09:14:24,930 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-10 09:14:24,930 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:14:24,946 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:14:24,948 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:14:24,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:14:24 BoogieIcfgContainer [2024-11-10 09:14:24,948 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:14:24,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:14:24,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:14:24,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:14:24,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:14:23" (1/3) ... [2024-11-10 09:14:24,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37876e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:14:24, skipping insertion in model container [2024-11-10 09:14:24,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:14:24" (2/3) ... [2024-11-10 09:14:24,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37876e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:14:24, skipping insertion in model container [2024-11-10 09:14:24,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:14:24" (3/3) ... [2024-11-10 09:14:24,958 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-32.i [2024-11-10 09:14:24,974 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:14:24,974 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:14:25,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:14:25,046 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;@4048202e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:14:25,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:14:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 82 states have internal predecessors, (110), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 09:14:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 09:14:25,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:25,071 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:25,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:25,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1617247425, now seen corresponding path program 1 times [2024-11-10 09:14:25,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:25,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101524618] [2024-11-10 09:14:25,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:25,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:25,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:25,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101524618] [2024-11-10 09:14:25,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101524618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:25,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:25,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:14:25,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978324332] [2024-11-10 09:14:25,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:25,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:14:25,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:25,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:14:25,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:14:25,545 INFO L87 Difference]: Start difference. First operand has 102 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 82 states have internal predecessors, (110), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:25,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:25,580 INFO L93 Difference]: Finished difference Result 196 states and 303 transitions. [2024-11-10 09:14:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:14:25,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2024-11-10 09:14:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:25,600 INFO L225 Difference]: With dead ends: 196 [2024-11-10 09:14:25,603 INFO L226 Difference]: Without dead ends: 97 [2024-11-10 09:14:25,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:14:25,613 INFO L432 NwaCegarLoop]: 134 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, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:25,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:14:25,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-10 09:14:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-10 09:14:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.2727272727272727) internal successors, (98), 77 states have internal predecessors, (98), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 09:14:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 134 transitions. [2024-11-10 09:14:25,670 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 134 transitions. Word has length 131 [2024-11-10 09:14:25,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:25,671 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 134 transitions. [2024-11-10 09:14:25,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2024-11-10 09:14:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 09:14:25,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:25,674 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:25,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:14:25,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:25,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:25,675 INFO L85 PathProgramCache]: Analyzing trace with hash -723562607, now seen corresponding path program 1 times [2024-11-10 09:14:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023623495] [2024-11-10 09:14:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:25,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023623495] [2024-11-10 09:14:25,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023623495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:25,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:25,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:14:25,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812320560] [2024-11-10 09:14:25,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:25,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:14:25,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:25,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:14:25,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:14:25,962 INFO L87 Difference]: Start difference. First operand 97 states and 134 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:26,111 INFO L93 Difference]: Finished difference Result 326 states and 452 transitions. [2024-11-10 09:14:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:14:26,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 131 [2024-11-10 09:14:26,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:26,114 INFO L225 Difference]: With dead ends: 326 [2024-11-10 09:14:26,114 INFO L226 Difference]: Without dead ends: 232 [2024-11-10 09:14:26,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:14:26,133 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 218 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:26,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 374 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:14:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-10 09:14:26,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 196. [2024-11-10 09:14:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 157 states have (on average 1.2802547770700636) internal successors, (201), 157 states have internal predecessors, (201), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 09:14:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 273 transitions. [2024-11-10 09:14:26,162 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 273 transitions. Word has length 131 [2024-11-10 09:14:26,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:26,163 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 273 transitions. [2024-11-10 09:14:26,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 273 transitions. [2024-11-10 09:14:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-10 09:14:26,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:26,165 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:26,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:14:26,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:26,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:26,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1043740255, now seen corresponding path program 1 times [2024-11-10 09:14:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173072650] [2024-11-10 09:14:26,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:27,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:27,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173072650] [2024-11-10 09:14:27,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173072650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:27,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:27,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:14:27,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356024335] [2024-11-10 09:14:27,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:27,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:14:27,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:27,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:14:27,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:14:27,264 INFO L87 Difference]: Start difference. First operand 196 states and 273 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:27,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:27,683 INFO L93 Difference]: Finished difference Result 552 states and 771 transitions. [2024-11-10 09:14:27,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:14:27,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2024-11-10 09:14:27,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:27,686 INFO L225 Difference]: With dead ends: 552 [2024-11-10 09:14:27,686 INFO L226 Difference]: Without dead ends: 359 [2024-11-10 09:14:27,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:14:27,688 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 106 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:27,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 869 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:14:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-10 09:14:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 354. [2024-11-10 09:14:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 289 states have (on average 1.2941176470588236) internal successors, (374), 291 states have internal predecessors, (374), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 09:14:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 494 transitions. [2024-11-10 09:14:27,739 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 494 transitions. Word has length 139 [2024-11-10 09:14:27,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:27,740 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 494 transitions. [2024-11-10 09:14:27,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 494 transitions. [2024-11-10 09:14:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 09:14:27,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:27,743 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:27,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:14:27,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:27,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:27,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1174987714, now seen corresponding path program 1 times [2024-11-10 09:14:27,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:27,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939172550] [2024-11-10 09:14:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:27,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:29,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:29,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939172550] [2024-11-10 09:14:29,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939172550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:29,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:29,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 09:14:29,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912733408] [2024-11-10 09:14:29,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:29,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 09:14:29,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 09:14:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:14:29,634 INFO L87 Difference]: Start difference. First operand 354 states and 494 transitions. Second operand has 18 states, 15 states have (on average 3.6) internal successors, (54), 18 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:31,406 INFO L93 Difference]: Finished difference Result 877 states and 1211 transitions. [2024-11-10 09:14:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 09:14:31,407 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.6) internal successors, (54), 18 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-10 09:14:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:31,422 INFO L225 Difference]: With dead ends: 877 [2024-11-10 09:14:31,422 INFO L226 Difference]: Without dead ends: 526 [2024-11-10 09:14:31,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-11-10 09:14:31,432 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 428 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:31,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1582 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 09:14:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-10 09:14:31,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 361. [2024-11-10 09:14:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 296 states have (on average 1.2905405405405406) internal successors, (382), 298 states have internal predecessors, (382), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 09:14:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 502 transitions. [2024-11-10 09:14:31,511 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 502 transitions. Word has length 141 [2024-11-10 09:14:31,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:31,511 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 502 transitions. [2024-11-10 09:14:31,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.6) internal successors, (54), 18 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 502 transitions. [2024-11-10 09:14:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 09:14:31,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:31,513 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:31,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:14:31,513 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:31,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:31,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1088001014, now seen corresponding path program 1 times [2024-11-10 09:14:31,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:31,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171871219] [2024-11-10 09:14:31,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:31,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:31,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:31,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171871219] [2024-11-10 09:14:31,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171871219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:31,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:31,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:14:31,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016182822] [2024-11-10 09:14:31,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:31,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:14:31,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:31,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:14:31,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:14:31,703 INFO L87 Difference]: Start difference. First operand 361 states and 502 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:31,752 INFO L93 Difference]: Finished difference Result 731 states and 1017 transitions. [2024-11-10 09:14:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:14:31,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-10 09:14:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:31,756 INFO L225 Difference]: With dead ends: 731 [2024-11-10 09:14:31,756 INFO L226 Difference]: Without dead ends: 373 [2024-11-10 09:14:31,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:14:31,760 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:31,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 508 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:14:31,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-10 09:14:31,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2024-11-10 09:14:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 308 states have (on average 1.2792207792207793) internal successors, (394), 310 states have internal predecessors, (394), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 09:14:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 514 transitions. [2024-11-10 09:14:31,798 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 514 transitions. Word has length 141 [2024-11-10 09:14:31,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:31,798 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 514 transitions. [2024-11-10 09:14:31,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:31,799 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 514 transitions. [2024-11-10 09:14:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 09:14:31,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:31,802 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:31,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:14:31,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:31,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:31,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1690776802, now seen corresponding path program 1 times [2024-11-10 09:14:31,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:31,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996671279] [2024-11-10 09:14:31,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:31,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:33,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:33,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996671279] [2024-11-10 09:14:33,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996671279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:33,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:33,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:14:33,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329684738] [2024-11-10 09:14:33,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:33,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:14:33,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:33,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:14:33,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:14:33,069 INFO L87 Difference]: Start difference. First operand 373 states and 514 transitions. Second operand has 15 states, 12 states have (on average 4.5) internal successors, (54), 15 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:34,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:34,553 INFO L93 Difference]: Finished difference Result 851 states and 1162 transitions. [2024-11-10 09:14:34,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:14:34,553 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.5) internal successors, (54), 15 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-10 09:14:34,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:34,555 INFO L225 Difference]: With dead ends: 851 [2024-11-10 09:14:34,555 INFO L226 Difference]: Without dead ends: 481 [2024-11-10 09:14:34,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2024-11-10 09:14:34,558 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 269 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:34,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1777 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 09:14:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-10 09:14:34,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 324. [2024-11-10 09:14:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 271 states have (on average 1.2804428044280443) internal successors, (347), 272 states have internal predecessors, (347), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 09:14:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 443 transitions. [2024-11-10 09:14:34,579 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 443 transitions. Word has length 141 [2024-11-10 09:14:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:34,580 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 443 transitions. [2024-11-10 09:14:34,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.5) internal successors, (54), 15 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 443 transitions. [2024-11-10 09:14:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 09:14:34,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:34,581 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:34,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:14:34,582 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:34,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:34,582 INFO L85 PathProgramCache]: Analyzing trace with hash -267142227, now seen corresponding path program 1 times [2024-11-10 09:14:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:34,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070776316] [2024-11-10 09:14:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:34,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:35,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:35,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070776316] [2024-11-10 09:14:35,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070776316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:35,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:35,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:14:35,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077994216] [2024-11-10 09:14:35,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:35,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:14:35,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:35,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:14:35,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:14:35,539 INFO L87 Difference]: Start difference. First operand 324 states and 443 transitions. Second operand has 14 states, 11 states have (on average 5.0) internal successors, (55), 14 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:36,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:36,221 INFO L93 Difference]: Finished difference Result 698 states and 954 transitions. [2024-11-10 09:14:36,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:14:36,224 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.0) internal successors, (55), 14 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2024-11-10 09:14:36,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:36,226 INFO L225 Difference]: With dead ends: 698 [2024-11-10 09:14:36,226 INFO L226 Difference]: Without dead ends: 377 [2024-11-10 09:14:36,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:14:36,230 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 162 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:36,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1422 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:14:36,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-10 09:14:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 312. [2024-11-10 09:14:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 259 states have (on average 1.277992277992278) internal successors, (331), 260 states have internal predecessors, (331), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 09:14:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2024-11-10 09:14:36,256 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 142 [2024-11-10 09:14:36,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:36,256 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2024-11-10 09:14:36,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.0) internal successors, (55), 14 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2024-11-10 09:14:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 09:14:36,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:36,258 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:36,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:14:36,258 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:36,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:36,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1333352717, now seen corresponding path program 1 times [2024-11-10 09:14:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:36,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729071762] [2024-11-10 09:14:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:37,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:37,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729071762] [2024-11-10 09:14:37,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729071762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:37,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:37,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:14:37,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584317867] [2024-11-10 09:14:37,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:37,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:14:37,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:37,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:14:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:14:37,339 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 15 states, 12 states have (on average 4.583333333333333) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:38,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:38,808 INFO L93 Difference]: Finished difference Result 935 states and 1272 transitions. [2024-11-10 09:14:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 09:14:38,808 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.583333333333333) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2024-11-10 09:14:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:38,811 INFO L225 Difference]: With dead ends: 935 [2024-11-10 09:14:38,811 INFO L226 Difference]: Without dead ends: 626 [2024-11-10 09:14:38,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2024-11-10 09:14:38,813 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 345 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:38,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1955 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 09:14:38,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-10 09:14:38,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 469. [2024-11-10 09:14:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 393 states have (on average 1.2798982188295165) internal successors, (503), 396 states have internal predecessors, (503), 68 states have call successors, (68), 7 states have call predecessors, (68), 7 states have return successors, (68), 65 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 09:14:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 639 transitions. [2024-11-10 09:14:38,846 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 639 transitions. Word has length 142 [2024-11-10 09:14:38,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:38,846 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 639 transitions. [2024-11-10 09:14:38,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.583333333333333) internal successors, (55), 15 states have internal predecessors, (55), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 639 transitions. [2024-11-10 09:14:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 09:14:38,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:38,848 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:38,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 09:14:38,848 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:38,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:38,849 INFO L85 PathProgramCache]: Analyzing trace with hash 301772744, now seen corresponding path program 1 times [2024-11-10 09:14:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:38,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77504911] [2024-11-10 09:14:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:40,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:40,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77504911] [2024-11-10 09:14:40,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77504911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:40,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:40,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 09:14:40,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833298676] [2024-11-10 09:14:40,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:40,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 09:14:40,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:40,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 09:14:40,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:14:40,356 INFO L87 Difference]: Start difference. First operand 469 states and 639 transitions. Second operand has 17 states, 14 states have (on average 4.0) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:41,993 INFO L93 Difference]: Finished difference Result 1093 states and 1475 transitions. [2024-11-10 09:14:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 09:14:41,994 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 4.0) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 143 [2024-11-10 09:14:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:41,996 INFO L225 Difference]: With dead ends: 1093 [2024-11-10 09:14:41,997 INFO L226 Difference]: Without dead ends: 627 [2024-11-10 09:14:41,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-11-10 09:14:41,998 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 536 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:41,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 964 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 09:14:41,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-10 09:14:42,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 529. [2024-11-10 09:14:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 444 states have (on average 1.277027027027027) internal successors, (567), 448 states have internal predecessors, (567), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 09:14:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 719 transitions. [2024-11-10 09:14:42,069 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 719 transitions. Word has length 143 [2024-11-10 09:14:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:42,071 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 719 transitions. [2024-11-10 09:14:42,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 4.0) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:14:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 719 transitions. [2024-11-10 09:14:42,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 09:14:42,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:42,073 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:42,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:14:42,073 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:42,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:42,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1455396394, now seen corresponding path program 1 times [2024-11-10 09:14:42,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:42,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042209274] [2024-11-10 09:14:42,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:42,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:42,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042209274] [2024-11-10 09:14:42,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042209274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:42,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:42,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:14:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285477668] [2024-11-10 09:14:42,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:42,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:14:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:42,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:14:42,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:14:42,464 INFO L87 Difference]: Start difference. First operand 529 states and 719 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:42,745 INFO L93 Difference]: Finished difference Result 815 states and 1084 transitions. [2024-11-10 09:14:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:14:42,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 143 [2024-11-10 09:14:42,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:42,749 INFO L225 Difference]: With dead ends: 815 [2024-11-10 09:14:42,749 INFO L226 Difference]: Without dead ends: 812 [2024-11-10 09:14:42,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:14:42,751 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 68 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:42,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 961 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:14:42,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-11-10 09:14:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 806. [2024-11-10 09:14:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 678 states have (on average 1.2448377581120944) internal successors, (844), 686 states have internal predecessors, (844), 114 states have call successors, (114), 13 states have call predecessors, (114), 13 states have return successors, (114), 106 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-10 09:14:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1072 transitions. [2024-11-10 09:14:42,856 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1072 transitions. Word has length 143 [2024-11-10 09:14:42,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:42,859 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1072 transitions. [2024-11-10 09:14:42,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1072 transitions. [2024-11-10 09:14:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 09:14:42,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:42,861 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:42,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:14:42,861 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:42,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -206851461, now seen corresponding path program 1 times [2024-11-10 09:14:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285974673] [2024-11-10 09:14:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:43,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:43,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285974673] [2024-11-10 09:14:43,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285974673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:43,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:43,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 09:14:43,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427552741] [2024-11-10 09:14:43,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:43,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 09:14:43,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:43,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 09:14:43,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:14:43,495 INFO L87 Difference]: Start difference. First operand 806 states and 1072 transitions. Second operand has 16 states, 14 states have (on average 4.0) internal successors, (56), 16 states have internal predecessors, (56), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:14:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:44,153 INFO L93 Difference]: Finished difference Result 1764 states and 2339 transitions. [2024-11-10 09:14:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 09:14:44,153 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.0) internal successors, (56), 16 states have internal predecessors, (56), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2024-11-10 09:14:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:44,157 INFO L225 Difference]: With dead ends: 1764 [2024-11-10 09:14:44,157 INFO L226 Difference]: Without dead ends: 961 [2024-11-10 09:14:44,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:14:44,159 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 104 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:44,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2078 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:14:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-10 09:14:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 944. [2024-11-10 09:14:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 778 states have (on average 1.2287917737789202) internal successors, (956), 788 states have internal predecessors, (956), 146 states have call successors, (146), 19 states have call predecessors, (146), 19 states have return successors, (146), 136 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-10 09:14:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1248 transitions. [2024-11-10 09:14:44,273 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1248 transitions. Word has length 143 [2024-11-10 09:14:44,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:44,273 INFO L471 AbstractCegarLoop]: Abstraction has 944 states and 1248 transitions. [2024-11-10 09:14:44,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.0) internal successors, (56), 16 states have internal predecessors, (56), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:14:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1248 transitions. [2024-11-10 09:14:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 09:14:44,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:44,275 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:44,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:14:44,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:44,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:44,276 INFO L85 PathProgramCache]: Analyzing trace with hash 862924663, now seen corresponding path program 1 times [2024-11-10 09:14:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:44,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574134653] [2024-11-10 09:14:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:44,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:44,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:44,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574134653] [2024-11-10 09:14:44,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574134653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:44,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:44,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:14:44,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973124788] [2024-11-10 09:14:44,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:44,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:14:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:44,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:14:44,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:14:44,710 INFO L87 Difference]: Start difference. First operand 944 states and 1248 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:45,093 INFO L93 Difference]: Finished difference Result 1803 states and 2389 transitions. [2024-11-10 09:14:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:14:45,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 144 [2024-11-10 09:14:45,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:45,099 INFO L225 Difference]: With dead ends: 1803 [2024-11-10 09:14:45,099 INFO L226 Difference]: Without dead ends: 1226 [2024-11-10 09:14:45,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:14:45,102 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 76 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:45,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1176 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:14:45,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-11-10 09:14:45,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1200. [2024-11-10 09:14:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 998 states have (on average 1.2344689378757514) internal successors, (1232), 1012 states have internal predecessors, (1232), 178 states have call successors, (178), 23 states have call predecessors, (178), 23 states have return successors, (178), 164 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-10 09:14:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1588 transitions. [2024-11-10 09:14:45,203 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1588 transitions. Word has length 144 [2024-11-10 09:14:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:45,203 INFO L471 AbstractCegarLoop]: Abstraction has 1200 states and 1588 transitions. [2024-11-10 09:14:45,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1588 transitions. [2024-11-10 09:14:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-10 09:14:45,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:45,206 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:45,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:14:45,206 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:45,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:45,206 INFO L85 PathProgramCache]: Analyzing trace with hash -275200693, now seen corresponding path program 1 times [2024-11-10 09:14:45,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:45,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027431212] [2024-11-10 09:14:45,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:45,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:45,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027431212] [2024-11-10 09:14:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027431212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:45,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:45,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:14:45,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590732937] [2024-11-10 09:14:45,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:45,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:14:45,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:45,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:14:45,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:14:45,342 INFO L87 Difference]: Start difference. First operand 1200 states and 1588 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:45,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:45,507 INFO L93 Difference]: Finished difference Result 2768 states and 3651 transitions. [2024-11-10 09:14:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:14:45,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-10 09:14:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:45,516 INFO L225 Difference]: With dead ends: 2768 [2024-11-10 09:14:45,516 INFO L226 Difference]: Without dead ends: 1571 [2024-11-10 09:14:45,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:14:45,520 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 48 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:45,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 637 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:14:45,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-10 09:14:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1320. [2024-11-10 09:14:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1118 states have (on average 1.2379248658318425) internal successors, (1384), 1132 states have internal predecessors, (1384), 178 states have call successors, (178), 23 states have call predecessors, (178), 23 states have return successors, (178), 164 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-10 09:14:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1740 transitions. [2024-11-10 09:14:45,694 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1740 transitions. Word has length 145 [2024-11-10 09:14:45,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:45,695 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 1740 transitions. [2024-11-10 09:14:45,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1740 transitions. [2024-11-10 09:14:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-10 09:14:45,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:45,697 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:45,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:14:45,697 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:45,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:45,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1430039239, now seen corresponding path program 1 times [2024-11-10 09:14:45,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:45,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250408647] [2024-11-10 09:14:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:45,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:46,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250408647] [2024-11-10 09:14:46,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250408647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:46,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:46,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:14:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158873245] [2024-11-10 09:14:46,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:46,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:14:46,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:14:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:14:46,168 INFO L87 Difference]: Start difference. First operand 1320 states and 1740 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:46,797 INFO L93 Difference]: Finished difference Result 2845 states and 3727 transitions. [2024-11-10 09:14:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:14:46,798 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-10 09:14:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:46,803 INFO L225 Difference]: With dead ends: 2845 [2024-11-10 09:14:46,803 INFO L226 Difference]: Without dead ends: 1528 [2024-11-10 09:14:46,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:14:46,806 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 292 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:46,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 727 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:14:46,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-11-10 09:14:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1336. [2024-11-10 09:14:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1128 states have (on average 1.2340425531914894) internal successors, (1392), 1142 states have internal predecessors, (1392), 182 states have call successors, (182), 25 states have call predecessors, (182), 25 states have return successors, (182), 168 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-10 09:14:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1756 transitions. [2024-11-10 09:14:46,925 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1756 transitions. Word has length 145 [2024-11-10 09:14:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:46,925 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1756 transitions. [2024-11-10 09:14:46,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1756 transitions. [2024-11-10 09:14:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 09:14:46,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:46,928 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:46,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 09:14:46,928 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:46,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 966042920, now seen corresponding path program 1 times [2024-11-10 09:14:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:46,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022363616] [2024-11-10 09:14:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:46,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:47,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:47,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022363616] [2024-11-10 09:14:47,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022363616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:47,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:47,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:14:47,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675630625] [2024-11-10 09:14:47,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:47,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:14:47,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:47,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:14:47,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:14:47,466 INFO L87 Difference]: Start difference. First operand 1336 states and 1756 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:48,261 INFO L93 Difference]: Finished difference Result 3273 states and 4308 transitions. [2024-11-10 09:14:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:14:48,265 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2024-11-10 09:14:48,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:48,280 INFO L225 Difference]: With dead ends: 3273 [2024-11-10 09:14:48,280 INFO L226 Difference]: Without dead ends: 1940 [2024-11-10 09:14:48,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:14:48,287 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 196 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:48,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 798 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:14:48,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-10 09:14:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1671. [2024-11-10 09:14:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1407 states have (on average 1.2316986496090974) internal successors, (1733), 1424 states have internal predecessors, (1733), 232 states have call successors, (232), 31 states have call predecessors, (232), 31 states have return successors, (232), 215 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-10 09:14:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2197 transitions. [2024-11-10 09:14:48,625 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2197 transitions. Word has length 146 [2024-11-10 09:14:48,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:48,629 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2197 transitions. [2024-11-10 09:14:48,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2197 transitions. [2024-11-10 09:14:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 09:14:48,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:48,631 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:48,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:14:48,631 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:48,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:48,632 INFO L85 PathProgramCache]: Analyzing trace with hash -37413484, now seen corresponding path program 1 times [2024-11-10 09:14:48,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:48,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868329914] [2024-11-10 09:14:48,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:48,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:48,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:48,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868329914] [2024-11-10 09:14:48,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868329914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:48,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:48,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:14:48,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110160009] [2024-11-10 09:14:48,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:48,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:14:48,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:48,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:14:48,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:14:48,807 INFO L87 Difference]: Start difference. First operand 1671 states and 2197 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:49,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:49,008 INFO L93 Difference]: Finished difference Result 2954 states and 3900 transitions. [2024-11-10 09:14:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:14:49,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2024-11-10 09:14:49,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:49,015 INFO L225 Difference]: With dead ends: 2954 [2024-11-10 09:14:49,015 INFO L226 Difference]: Without dead ends: 1726 [2024-11-10 09:14:49,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:14:49,018 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 42 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:49,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 634 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:14:49,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2024-11-10 09:14:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1651. [2024-11-10 09:14:49,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1387 states have (on average 1.2249459264599856) internal successors, (1699), 1404 states have internal predecessors, (1699), 232 states have call successors, (232), 31 states have call predecessors, (232), 31 states have return successors, (232), 215 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-10 09:14:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2163 transitions. [2024-11-10 09:14:49,247 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2163 transitions. Word has length 146 [2024-11-10 09:14:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:49,248 INFO L471 AbstractCegarLoop]: Abstraction has 1651 states and 2163 transitions. [2024-11-10 09:14:49,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:14:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2163 transitions. [2024-11-10 09:14:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 09:14:49,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:49,250 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:49,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 09:14:49,250 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:49,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:49,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1440779880, now seen corresponding path program 1 times [2024-11-10 09:14:49,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:49,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080554572] [2024-11-10 09:14:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:49,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:49,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:49,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080554572] [2024-11-10 09:14:49,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080554572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:49,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:49,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:14:49,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752565006] [2024-11-10 09:14:49,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:49,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:14:49,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:49,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:14:49,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:14:49,581 INFO L87 Difference]: Start difference. First operand 1651 states and 2163 transitions. Second operand has 9 states, 8 states have (on average 7.5) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:49,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:49,966 INFO L93 Difference]: Finished difference Result 3926 states and 5129 transitions. [2024-11-10 09:14:49,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:14:49,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-10 09:14:49,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:49,975 INFO L225 Difference]: With dead ends: 3926 [2024-11-10 09:14:49,975 INFO L226 Difference]: Without dead ends: 2278 [2024-11-10 09:14:49,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:14:49,977 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 77 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:49,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1394 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:14:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-11-10 09:14:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1943. [2024-11-10 09:14:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1943 states, 1655 states have (on average 1.2253776435045318) internal successors, (2028), 1674 states have internal predecessors, (2028), 252 states have call successors, (252), 35 states have call predecessors, (252), 35 states have return successors, (252), 233 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-10 09:14:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2532 transitions. [2024-11-10 09:14:50,189 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2532 transitions. Word has length 147 [2024-11-10 09:14:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:50,190 INFO L471 AbstractCegarLoop]: Abstraction has 1943 states and 2532 transitions. [2024-11-10 09:14:50,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2532 transitions. [2024-11-10 09:14:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 09:14:50,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:50,191 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:50,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 09:14:50,191 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:50,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:50,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1373773127, now seen corresponding path program 1 times [2024-11-10 09:14:50,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:50,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617625633] [2024-11-10 09:14:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:50,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:50,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617625633] [2024-11-10 09:14:50,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617625633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:50,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:50,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:14:50,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113362659] [2024-11-10 09:14:50,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:50,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:14:50,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:50,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:14:50,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:14:50,398 INFO L87 Difference]: Start difference. First operand 1943 states and 2532 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:50,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:50,697 INFO L93 Difference]: Finished difference Result 4226 states and 5479 transitions. [2024-11-10 09:14:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:14:50,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-10 09:14:50,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:50,708 INFO L225 Difference]: With dead ends: 4226 [2024-11-10 09:14:50,708 INFO L226 Difference]: Without dead ends: 2286 [2024-11-10 09:14:50,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:14:50,712 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 53 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:50,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 735 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:14:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2024-11-10 09:14:50,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2271. [2024-11-10 09:14:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2271 states, 1947 states have (on average 1.2182845403184386) internal successors, (2372), 1978 states have internal predecessors, (2372), 276 states have call successors, (276), 47 states have call predecessors, (276), 47 states have return successors, (276), 245 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-10 09:14:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 2924 transitions. [2024-11-10 09:14:50,921 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 2924 transitions. Word has length 147 [2024-11-10 09:14:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:50,921 INFO L471 AbstractCegarLoop]: Abstraction has 2271 states and 2924 transitions. [2024-11-10 09:14:50,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2924 transitions. [2024-11-10 09:14:50,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 09:14:50,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:50,923 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:50,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 09:14:50,923 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:50,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:50,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1278611058, now seen corresponding path program 1 times [2024-11-10 09:14:50,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:50,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626849116] [2024-11-10 09:14:50,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:50,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:51,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:51,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626849116] [2024-11-10 09:14:51,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626849116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:51,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:51,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:14:51,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657326974] [2024-11-10 09:14:51,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:51,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:14:51,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:51,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:14:51,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:14:51,466 INFO L87 Difference]: Start difference. First operand 2271 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:52,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:52,137 INFO L93 Difference]: Finished difference Result 4522 states and 5811 transitions. [2024-11-10 09:14:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:14:52,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-10 09:14:52,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:52,145 INFO L225 Difference]: With dead ends: 4522 [2024-11-10 09:14:52,145 INFO L226 Difference]: Without dead ends: 2254 [2024-11-10 09:14:52,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:14:52,149 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 169 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:52,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 766 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:14:52,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2024-11-10 09:14:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2202. [2024-11-10 09:14:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2202 states, 1891 states have (on average 1.2147012162876785) internal successors, (2297), 1922 states have internal predecessors, (2297), 266 states have call successors, (266), 44 states have call predecessors, (266), 44 states have return successors, (266), 235 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-10 09:14:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2829 transitions. [2024-11-10 09:14:52,397 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2829 transitions. Word has length 147 [2024-11-10 09:14:52,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:52,397 INFO L471 AbstractCegarLoop]: Abstraction has 2202 states and 2829 transitions. [2024-11-10 09:14:52,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:14:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2829 transitions. [2024-11-10 09:14:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-10 09:14:52,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:52,399 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:52,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 09:14:52,399 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:52,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:52,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1017813922, now seen corresponding path program 1 times [2024-11-10 09:14:52,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:52,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303843604] [2024-11-10 09:14:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:52,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:52,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303843604] [2024-11-10 09:14:52,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303843604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:52,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:52,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:14:52,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548488237] [2024-11-10 09:14:52,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:52,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:14:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:52,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:14:52,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:14:52,904 INFO L87 Difference]: Start difference. First operand 2202 states and 2829 transitions. Second operand has 7 states, 5 states have (on average 12.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:14:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:53,359 INFO L93 Difference]: Finished difference Result 4541 states and 5819 transitions. [2024-11-10 09:14:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:14:53,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-10 09:14:53,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:53,372 INFO L225 Difference]: With dead ends: 4541 [2024-11-10 09:14:53,372 INFO L226 Difference]: Without dead ends: 2342 [2024-11-10 09:14:53,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:14:53,376 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 67 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:53,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 513 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:14:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2024-11-10 09:14:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 1946. [2024-11-10 09:14:53,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1655 states have (on average 1.1993957703927491) internal successors, (1985), 1680 states have internal predecessors, (1985), 244 states have call successors, (244), 46 states have call predecessors, (244), 46 states have return successors, (244), 219 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-10 09:14:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2473 transitions. [2024-11-10 09:14:53,675 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2473 transitions. Word has length 147 [2024-11-10 09:14:53,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:53,675 INFO L471 AbstractCegarLoop]: Abstraction has 1946 states and 2473 transitions. [2024-11-10 09:14:53,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:14:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2473 transitions. [2024-11-10 09:14:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-10 09:14:53,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:53,681 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:53,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 09:14:53,682 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:53,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1808229606, now seen corresponding path program 1 times [2024-11-10 09:14:53,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:53,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565744120] [2024-11-10 09:14:53,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:53,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:54,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565744120] [2024-11-10 09:14:54,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565744120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:54,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:54,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:14:54,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334076836] [2024-11-10 09:14:54,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:54,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:14:54,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:54,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:14:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:14:54,315 INFO L87 Difference]: Start difference. First operand 1946 states and 2473 transitions. Second operand has 15 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 15 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:14:55,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:14:55,462 INFO L93 Difference]: Finished difference Result 3745 states and 4747 transitions. [2024-11-10 09:14:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 09:14:55,463 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 15 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-10 09:14:55,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:14:55,470 INFO L225 Difference]: With dead ends: 3745 [2024-11-10 09:14:55,470 INFO L226 Difference]: Without dead ends: 2338 [2024-11-10 09:14:55,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-10 09:14:55,473 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 290 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:14:55,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1064 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:14:55,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2024-11-10 09:14:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 1899. [2024-11-10 09:14:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1899 states, 1625 states have (on average 1.2012307692307693) internal successors, (1952), 1648 states have internal predecessors, (1952), 228 states have call successors, (228), 45 states have call predecessors, (228), 45 states have return successors, (228), 205 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-10 09:14:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 2408 transitions. [2024-11-10 09:14:55,709 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 2408 transitions. Word has length 148 [2024-11-10 09:14:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:14:55,710 INFO L471 AbstractCegarLoop]: Abstraction has 1899 states and 2408 transitions. [2024-11-10 09:14:55,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 15 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:14:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2408 transitions. [2024-11-10 09:14:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:14:55,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:14:55,712 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:14:55,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 09:14:55,712 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:14:55,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:14:55,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1312911275, now seen corresponding path program 1 times [2024-11-10 09:14:55,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:14:55,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444777588] [2024-11-10 09:14:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:14:55,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:14:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:14:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:14:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:14:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:14:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:14:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:14:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:14:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:14:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:14:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:14:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:14:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:14:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:14:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:14:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:14:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:14:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:14:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:14:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:14:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:14:57,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:14:57,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444777588] [2024-11-10 09:14:57,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444777588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:14:57,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:14:57,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-10 09:14:57,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720759750] [2024-11-10 09:14:57,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:14:57,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 09:14:57,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:14:57,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 09:14:57,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:14:57,089 INFO L87 Difference]: Start difference. First operand 1899 states and 2408 transitions. Second operand has 23 states, 20 states have (on average 3.1) internal successors, (62), 23 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:15:00,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:00,060 INFO L93 Difference]: Finished difference Result 3997 states and 4964 transitions. [2024-11-10 09:15:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-11-10 09:15:00,060 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 3.1) internal successors, (62), 23 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 149 [2024-11-10 09:15:00,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:00,073 INFO L225 Difference]: With dead ends: 3997 [2024-11-10 09:15:00,074 INFO L226 Difference]: Without dead ends: 3994 [2024-11-10 09:15:00,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=509, Invalid=6133, Unknown=0, NotChecked=0, Total=6642 [2024-11-10 09:15:00,076 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 564 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 1987 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2867 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:00,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2867 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1987 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 09:15:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2024-11-10 09:15:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3796. [2024-11-10 09:15:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 3286 states have (on average 1.1789409616555082) internal successors, (3874), 3338 states have internal predecessors, (3874), 414 states have call successors, (414), 95 states have call predecessors, (414), 95 states have return successors, (414), 362 states have call predecessors, (414), 414 states have call successors, (414) [2024-11-10 09:15:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 4702 transitions. [2024-11-10 09:15:00,499 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 4702 transitions. Word has length 149 [2024-11-10 09:15:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:00,500 INFO L471 AbstractCegarLoop]: Abstraction has 3796 states and 4702 transitions. [2024-11-10 09:15:00,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 3.1) internal successors, (62), 23 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:15:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 4702 transitions. [2024-11-10 09:15:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:15:00,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:00,501 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 09:15:00,502 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1937425489, now seen corresponding path program 1 times [2024-11-10 09:15:00,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:00,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457775221] [2024-11-10 09:15:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:01,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:01,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457775221] [2024-11-10 09:15:01,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457775221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:01,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:01,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 09:15:01,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888161198] [2024-11-10 09:15:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:01,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 09:15:01,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:01,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 09:15:01,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:15:01,858 INFO L87 Difference]: Start difference. First operand 3796 states and 4702 transitions. Second operand has 20 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 20 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:15:05,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:05,685 INFO L93 Difference]: Finished difference Result 7608 states and 9415 transitions. [2024-11-10 09:15:05,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 09:15:05,686 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 20 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 149 [2024-11-10 09:15:05,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:05,707 INFO L225 Difference]: With dead ends: 7608 [2024-11-10 09:15:05,713 INFO L226 Difference]: Without dead ends: 3825 [2024-11-10 09:15:05,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2024-11-10 09:15:05,720 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 427 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:05,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1408 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 09:15:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2024-11-10 09:15:06,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3787. [2024-11-10 09:15:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 3277 states have (on average 1.1779066219102838) internal successors, (3860), 3329 states have internal predecessors, (3860), 414 states have call successors, (414), 95 states have call predecessors, (414), 95 states have return successors, (414), 362 states have call predecessors, (414), 414 states have call successors, (414) [2024-11-10 09:15:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 4688 transitions. [2024-11-10 09:15:06,363 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 4688 transitions. Word has length 149 [2024-11-10 09:15:06,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:06,368 INFO L471 AbstractCegarLoop]: Abstraction has 3787 states and 4688 transitions. [2024-11-10 09:15:06,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 20 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:15:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4688 transitions. [2024-11-10 09:15:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 09:15:06,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:06,373 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:06,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 09:15:06,374 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:06,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1379918028, now seen corresponding path program 1 times [2024-11-10 09:15:06,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:06,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071707884] [2024-11-10 09:15:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:06,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:06,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:06,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071707884] [2024-11-10 09:15:06,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071707884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:06,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:06,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:15:06,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178167650] [2024-11-10 09:15:06,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:06,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:15:06,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:06,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:15:06,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:15:06,749 INFO L87 Difference]: Start difference. First operand 3787 states and 4688 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:15:07,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:07,427 INFO L93 Difference]: Finished difference Result 8136 states and 10045 transitions. [2024-11-10 09:15:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:15:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-11-10 09:15:07,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:07,438 INFO L225 Difference]: With dead ends: 8136 [2024-11-10 09:15:07,438 INFO L226 Difference]: Without dead ends: 4362 [2024-11-10 09:15:07,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:15:07,445 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 34 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:07,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 607 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:15:07,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2024-11-10 09:15:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 4121. [2024-11-10 09:15:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 3611 states have (on average 1.1786208806424814) internal successors, (4256), 3663 states have internal predecessors, (4256), 414 states have call successors, (414), 95 states have call predecessors, (414), 95 states have return successors, (414), 362 states have call predecessors, (414), 414 states have call successors, (414) [2024-11-10 09:15:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5084 transitions. [2024-11-10 09:15:07,899 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5084 transitions. Word has length 149 [2024-11-10 09:15:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:07,900 INFO L471 AbstractCegarLoop]: Abstraction has 4121 states and 5084 transitions. [2024-11-10 09:15:07,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:15:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5084 transitions. [2024-11-10 09:15:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:15:07,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:07,902 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:07,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 09:15:07,902 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:07,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:07,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1336396831, now seen corresponding path program 1 times [2024-11-10 09:15:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:07,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18445859] [2024-11-10 09:15:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:08,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:08,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18445859] [2024-11-10 09:15:08,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18445859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:08,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:08,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:15:08,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642510689] [2024-11-10 09:15:08,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:08,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:15:08,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:08,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:15:08,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:15:08,438 INFO L87 Difference]: Start difference. First operand 4121 states and 5084 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:09,420 INFO L93 Difference]: Finished difference Result 7968 states and 9884 transitions. [2024-11-10 09:15:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:15:09,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2024-11-10 09:15:09,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:09,432 INFO L225 Difference]: With dead ends: 7968 [2024-11-10 09:15:09,432 INFO L226 Difference]: Without dead ends: 4674 [2024-11-10 09:15:09,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:15:09,439 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 129 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:09,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 964 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:15:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4674 states. [2024-11-10 09:15:09,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4674 to 4158. [2024-11-10 09:15:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4158 states, 3638 states have (on average 1.1767454645409565) internal successors, (4281), 3690 states have internal predecessors, (4281), 422 states have call successors, (422), 97 states have call predecessors, (422), 97 states have return successors, (422), 370 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-10 09:15:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 4158 states and 5125 transitions. [2024-11-10 09:15:09,960 INFO L78 Accepts]: Start accepts. Automaton has 4158 states and 5125 transitions. Word has length 150 [2024-11-10 09:15:09,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:09,960 INFO L471 AbstractCegarLoop]: Abstraction has 4158 states and 5125 transitions. [2024-11-10 09:15:09,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4158 states and 5125 transitions. [2024-11-10 09:15:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:15:09,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:09,966 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:09,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 09:15:09,966 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:09,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:09,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1763639324, now seen corresponding path program 1 times [2024-11-10 09:15:09,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:09,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291503173] [2024-11-10 09:15:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:11,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:11,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291503173] [2024-11-10 09:15:11,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291503173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:11,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:11,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-10 09:15:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769405161] [2024-11-10 09:15:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:11,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 09:15:11,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:11,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 09:15:11,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-11-10 09:15:11,785 INFO L87 Difference]: Start difference. First operand 4158 states and 5125 transitions. Second operand has 21 states, 18 states have (on average 3.5) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:15:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:14,848 INFO L93 Difference]: Finished difference Result 8381 states and 10330 transitions. [2024-11-10 09:15:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 09:15:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 3.5) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 150 [2024-11-10 09:15:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:14,860 INFO L225 Difference]: With dead ends: 8381 [2024-11-10 09:15:14,860 INFO L226 Difference]: Without dead ends: 4236 [2024-11-10 09:15:14,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=907, Unknown=0, NotChecked=0, Total=1056 [2024-11-10 09:15:14,867 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 403 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:14,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1483 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 09:15:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2024-11-10 09:15:15,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4146. [2024-11-10 09:15:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 3626 states have (on average 1.176227247655819) internal successors, (4265), 3678 states have internal predecessors, (4265), 422 states have call successors, (422), 97 states have call predecessors, (422), 97 states have return successors, (422), 370 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-10 09:15:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 5109 transitions. [2024-11-10 09:15:15,613 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 5109 transitions. Word has length 150 [2024-11-10 09:15:15,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:15,613 INFO L471 AbstractCegarLoop]: Abstraction has 4146 states and 5109 transitions. [2024-11-10 09:15:15,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 3.5) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 09:15:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 5109 transitions. [2024-11-10 09:15:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:15:15,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:15,615 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:15,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 09:15:15,616 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:15,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:15,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1486697440, now seen corresponding path program 1 times [2024-11-10 09:15:15,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:15,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328256980] [2024-11-10 09:15:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:15,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-10 09:15:16,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:16,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328256980] [2024-11-10 09:15:16,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328256980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:15:16,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524046935] [2024-11-10 09:15:16,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:16,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:15:16,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:15:16,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:15:16,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 09:15:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:16,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 09:15:16,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:15:16,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-10 09:15:16,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-10 09:15:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 09:15:16,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:15:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-10 09:15:16,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524046935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:15:16,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:15:16,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2024-11-10 09:15:16,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030271316] [2024-11-10 09:15:16,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:15:16,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:15:16,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:16,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:15:16,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:15:16,726 INFO L87 Difference]: Start difference. First operand 4146 states and 5109 transitions. Second operand has 15 states, 12 states have (on average 9.416666666666666) internal successors, (113), 15 states have internal predecessors, (113), 6 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 4 states have call predecessors, (45), 6 states have call successors, (45) [2024-11-10 09:15:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:17,666 INFO L93 Difference]: Finished difference Result 8585 states and 10482 transitions. [2024-11-10 09:15:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:15:17,666 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.416666666666666) internal successors, (113), 15 states have internal predecessors, (113), 6 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 4 states have call predecessors, (45), 6 states have call successors, (45) Word has length 150 [2024-11-10 09:15:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:17,679 INFO L225 Difference]: With dead ends: 8585 [2024-11-10 09:15:17,679 INFO L226 Difference]: Without dead ends: 4452 [2024-11-10 09:15:17,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:15:17,685 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 200 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:17,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 664 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:15:17,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2024-11-10 09:15:18,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 4258. [2024-11-10 09:15:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4258 states, 3710 states have (on average 1.1649595687331535) internal successors, (4322), 3762 states have internal predecessors, (4322), 422 states have call successors, (422), 125 states have call predecessors, (422), 125 states have return successors, (422), 370 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-10 09:15:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 5166 transitions. [2024-11-10 09:15:18,223 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 5166 transitions. Word has length 150 [2024-11-10 09:15:18,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:18,223 INFO L471 AbstractCegarLoop]: Abstraction has 4258 states and 5166 transitions. [2024-11-10 09:15:18,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.416666666666666) internal successors, (113), 15 states have internal predecessors, (113), 6 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 4 states have call predecessors, (45), 6 states have call successors, (45) [2024-11-10 09:15:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 5166 transitions. [2024-11-10 09:15:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:15:18,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:18,225 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:18,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 09:15:18,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 09:15:18,427 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:18,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:18,427 INFO L85 PathProgramCache]: Analyzing trace with hash -590511903, now seen corresponding path program 1 times [2024-11-10 09:15:18,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:18,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725508715] [2024-11-10 09:15:18,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:18,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:18,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:18,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725508715] [2024-11-10 09:15:18,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725508715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:18,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:18,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:15:18,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402278233] [2024-11-10 09:15:18,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:18,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:15:18,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:18,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:15:18,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:15:18,863 INFO L87 Difference]: Start difference. First operand 4258 states and 5166 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:19,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:19,704 INFO L93 Difference]: Finished difference Result 9001 states and 10893 transitions. [2024-11-10 09:15:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:15:19,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2024-11-10 09:15:19,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:19,715 INFO L225 Difference]: With dead ends: 9001 [2024-11-10 09:15:19,716 INFO L226 Difference]: Without dead ends: 4756 [2024-11-10 09:15:19,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:15:19,722 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 49 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:19,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 696 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:15:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2024-11-10 09:15:20,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4343. [2024-11-10 09:15:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4343 states, 3780 states have (on average 1.1632275132275132) internal successors, (4397), 3834 states have internal predecessors, (4397), 432 states have call successors, (432), 130 states have call predecessors, (432), 130 states have return successors, (432), 378 states have call predecessors, (432), 432 states have call successors, (432) [2024-11-10 09:15:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 5261 transitions. [2024-11-10 09:15:20,312 INFO L78 Accepts]: Start accepts. Automaton has 4343 states and 5261 transitions. Word has length 150 [2024-11-10 09:15:20,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:20,312 INFO L471 AbstractCegarLoop]: Abstraction has 4343 states and 5261 transitions. [2024-11-10 09:15:20,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 5261 transitions. [2024-11-10 09:15:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:15:20,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:20,314 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:20,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 09:15:20,315 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:20,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:20,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1897000930, now seen corresponding path program 1 times [2024-11-10 09:15:20,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237884150] [2024-11-10 09:15:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:20,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:20,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237884150] [2024-11-10 09:15:20,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237884150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:20,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:20,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:15:20,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933628682] [2024-11-10 09:15:20,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:20,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:15:20,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:20,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:15:20,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:15:20,650 INFO L87 Difference]: Start difference. First operand 4343 states and 5261 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:15:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:21,705 INFO L93 Difference]: Finished difference Result 6641 states and 8044 transitions. [2024-11-10 09:15:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:15:21,705 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 150 [2024-11-10 09:15:21,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:21,721 INFO L225 Difference]: With dead ends: 6641 [2024-11-10 09:15:21,721 INFO L226 Difference]: Without dead ends: 6638 [2024-11-10 09:15:21,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:15:21,724 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 120 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:21,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 2229 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:15:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6638 states. [2024-11-10 09:15:22,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6638 to 6406. [2024-11-10 09:15:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6406 states, 5470 states have (on average 1.1579524680073126) internal successors, (6334), 5553 states have internal predecessors, (6334), 720 states have call successors, (720), 215 states have call predecessors, (720), 215 states have return successors, (720), 637 states have call predecessors, (720), 720 states have call successors, (720) [2024-11-10 09:15:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6406 states to 6406 states and 7774 transitions. [2024-11-10 09:15:22,681 INFO L78 Accepts]: Start accepts. Automaton has 6406 states and 7774 transitions. Word has length 150 [2024-11-10 09:15:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:22,682 INFO L471 AbstractCegarLoop]: Abstraction has 6406 states and 7774 transitions. [2024-11-10 09:15:22,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-10 09:15:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 6406 states and 7774 transitions. [2024-11-10 09:15:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 09:15:22,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:22,684 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:22,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 09:15:22,685 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:22,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:22,685 INFO L85 PathProgramCache]: Analyzing trace with hash 667624, now seen corresponding path program 1 times [2024-11-10 09:15:22,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:22,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685472528] [2024-11-10 09:15:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:23,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:23,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685472528] [2024-11-10 09:15:23,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685472528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:23,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:23,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:15:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864725363] [2024-11-10 09:15:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:23,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:15:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:23,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:15:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:15:23,229 INFO L87 Difference]: Start difference. First operand 6406 states and 7774 transitions. Second operand has 10 states, 8 states have (on average 7.875) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:15:25,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:25,197 INFO L93 Difference]: Finished difference Result 13817 states and 16725 transitions. [2024-11-10 09:15:25,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:15:25,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.875) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-10 09:15:25,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:25,216 INFO L225 Difference]: With dead ends: 13817 [2024-11-10 09:15:25,216 INFO L226 Difference]: Without dead ends: 7432 [2024-11-10 09:15:25,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:15:25,223 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 149 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:25,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1393 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:15:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7432 states. [2024-11-10 09:15:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7432 to 6464. [2024-11-10 09:15:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6464 states, 5503 states have (on average 1.1528257314192258) internal successors, (6344), 5584 states have internal predecessors, (6344), 726 states have call successors, (726), 234 states have call predecessors, (726), 234 states have return successors, (726), 645 states have call predecessors, (726), 726 states have call successors, (726) [2024-11-10 09:15:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6464 states to 6464 states and 7796 transitions. [2024-11-10 09:15:26,265 INFO L78 Accepts]: Start accepts. Automaton has 6464 states and 7796 transitions. Word has length 150 [2024-11-10 09:15:26,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:26,265 INFO L471 AbstractCegarLoop]: Abstraction has 6464 states and 7796 transitions. [2024-11-10 09:15:26,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.875) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-10 09:15:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6464 states and 7796 transitions. [2024-11-10 09:15:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 09:15:26,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:26,268 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:26,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 09:15:26,268 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:26,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:26,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1266246676, now seen corresponding path program 1 times [2024-11-10 09:15:26,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:26,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482443400] [2024-11-10 09:15:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:26,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:26,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482443400] [2024-11-10 09:15:26,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482443400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:26,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:26,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:15:26,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848985303] [2024-11-10 09:15:26,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:26,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:15:26,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:26,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:15:26,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:15:26,630 INFO L87 Difference]: Start difference. First operand 6464 states and 7796 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:28,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:28,236 INFO L93 Difference]: Finished difference Result 13531 states and 16329 transitions. [2024-11-10 09:15:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:15:28,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-10 09:15:28,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:28,253 INFO L225 Difference]: With dead ends: 13531 [2024-11-10 09:15:28,253 INFO L226 Difference]: Without dead ends: 7088 [2024-11-10 09:15:28,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:15:28,263 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 70 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:28,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 663 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:15:28,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7088 states. [2024-11-10 09:15:29,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7088 to 6460. [2024-11-10 09:15:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6460 states, 5499 states have (on average 1.1503909801782142) internal successors, (6326), 5580 states have internal predecessors, (6326), 726 states have call successors, (726), 234 states have call predecessors, (726), 234 states have return successors, (726), 645 states have call predecessors, (726), 726 states have call successors, (726) [2024-11-10 09:15:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6460 states to 6460 states and 7778 transitions. [2024-11-10 09:15:29,460 INFO L78 Accepts]: Start accepts. Automaton has 6460 states and 7778 transitions. Word has length 151 [2024-11-10 09:15:29,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:29,461 INFO L471 AbstractCegarLoop]: Abstraction has 6460 states and 7778 transitions. [2024-11-10 09:15:29,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6460 states and 7778 transitions. [2024-11-10 09:15:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:15:29,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:29,463 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:29,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 09:15:29,463 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:29,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:29,464 INFO L85 PathProgramCache]: Analyzing trace with hash -278579842, now seen corresponding path program 1 times [2024-11-10 09:15:29,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:29,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168368026] [2024-11-10 09:15:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:30,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:30,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168368026] [2024-11-10 09:15:30,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168368026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:30,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:30,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:15:30,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454420914] [2024-11-10 09:15:30,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:30,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:15:30,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:30,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:15:30,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:15:30,064 INFO L87 Difference]: Start difference. First operand 6460 states and 7778 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:31,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:31,809 INFO L93 Difference]: Finished difference Result 13073 states and 15704 transitions. [2024-11-10 09:15:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:15:31,810 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 152 [2024-11-10 09:15:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:31,843 INFO L225 Difference]: With dead ends: 13073 [2024-11-10 09:15:31,846 INFO L226 Difference]: Without dead ends: 6634 [2024-11-10 09:15:31,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:15:31,861 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 209 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:31,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 854 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:15:31,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6634 states. [2024-11-10 09:15:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6634 to 6051. [2024-11-10 09:15:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6051 states, 5146 states have (on average 1.1430237077341625) internal successors, (5882), 5221 states have internal predecessors, (5882), 680 states have call successors, (680), 224 states have call predecessors, (680), 224 states have return successors, (680), 605 states have call predecessors, (680), 680 states have call successors, (680) [2024-11-10 09:15:33,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6051 states to 6051 states and 7242 transitions. [2024-11-10 09:15:33,032 INFO L78 Accepts]: Start accepts. Automaton has 6051 states and 7242 transitions. Word has length 152 [2024-11-10 09:15:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:33,032 INFO L471 AbstractCegarLoop]: Abstraction has 6051 states and 7242 transitions. [2024-11-10 09:15:33,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 6051 states and 7242 transitions. [2024-11-10 09:15:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 09:15:33,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:33,034 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:33,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 09:15:33,035 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:33,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:33,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1795506086, now seen corresponding path program 1 times [2024-11-10 09:15:33,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:33,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875141117] [2024-11-10 09:15:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:33,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:33,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875141117] [2024-11-10 09:15:33,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875141117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:33,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:33,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:15:33,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863499817] [2024-11-10 09:15:33,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:33,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:15:33,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:33,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:15:33,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:15:33,401 INFO L87 Difference]: Start difference. First operand 6051 states and 7242 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:34,926 INFO L93 Difference]: Finished difference Result 11263 states and 13519 transitions. [2024-11-10 09:15:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:15:34,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 152 [2024-11-10 09:15:34,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:34,941 INFO L225 Difference]: With dead ends: 11263 [2024-11-10 09:15:34,942 INFO L226 Difference]: Without dead ends: 6476 [2024-11-10 09:15:34,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:15:34,949 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 77 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:34,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 640 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:15:34,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6476 states. [2024-11-10 09:15:36,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6476 to 6145. [2024-11-10 09:15:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6145 states, 5194 states have (on average 1.1351559491721217) internal successors, (5896), 5269 states have internal predecessors, (5896), 714 states have call successors, (714), 236 states have call predecessors, (714), 236 states have return successors, (714), 639 states have call predecessors, (714), 714 states have call successors, (714) [2024-11-10 09:15:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6145 states to 6145 states and 7324 transitions. [2024-11-10 09:15:36,448 INFO L78 Accepts]: Start accepts. Automaton has 6145 states and 7324 transitions. Word has length 152 [2024-11-10 09:15:36,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:36,449 INFO L471 AbstractCegarLoop]: Abstraction has 6145 states and 7324 transitions. [2024-11-10 09:15:36,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6145 states and 7324 transitions. [2024-11-10 09:15:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:15:36,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:36,451 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:36,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 09:15:36,451 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:36,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2081697428, now seen corresponding path program 1 times [2024-11-10 09:15:36,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:36,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022955389] [2024-11-10 09:15:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:37,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:37,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022955389] [2024-11-10 09:15:37,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022955389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:37,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:37,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:15:37,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062619719] [2024-11-10 09:15:37,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:37,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:15:37,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:37,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:15:37,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:15:37,063 INFO L87 Difference]: Start difference. First operand 6145 states and 7324 transitions. Second operand has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 15 states have internal predecessors, (66), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:39,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:15:39,299 INFO L93 Difference]: Finished difference Result 12429 states and 14796 transitions. [2024-11-10 09:15:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:15:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 15 states have internal predecessors, (66), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2024-11-10 09:15:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:15:39,319 INFO L225 Difference]: With dead ends: 12429 [2024-11-10 09:15:39,320 INFO L226 Difference]: Without dead ends: 6305 [2024-11-10 09:15:39,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2024-11-10 09:15:39,339 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 178 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:15:39,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1321 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:15:39,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2024-11-10 09:15:40,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 5989. [2024-11-10 09:15:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5989 states, 5064 states have (on average 1.1332938388625593) internal successors, (5739), 5137 states have internal predecessors, (5739), 694 states have call successors, (694), 230 states have call predecessors, (694), 230 states have return successors, (694), 621 states have call predecessors, (694), 694 states have call successors, (694) [2024-11-10 09:15:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5989 states to 5989 states and 7127 transitions. [2024-11-10 09:15:40,549 INFO L78 Accepts]: Start accepts. Automaton has 5989 states and 7127 transitions. Word has length 153 [2024-11-10 09:15:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:15:40,549 INFO L471 AbstractCegarLoop]: Abstraction has 5989 states and 7127 transitions. [2024-11-10 09:15:40,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 15 states have internal predecessors, (66), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-10 09:15:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 5989 states and 7127 transitions. [2024-11-10 09:15:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:15:40,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:15:40,551 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:15:40,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 09:15:40,551 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:15:40,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:15:40,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1876456016, now seen corresponding path program 1 times [2024-11-10 09:15:40,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:15:40,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568826799] [2024-11-10 09:15:40,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:15:40,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:15:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:15:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:15:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:15:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:15:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:15:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:15:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:15:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:15:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:15:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:15:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:15:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:15:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:15:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:15:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:15:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:15:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:15:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:15:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:15:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 09:15:40,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:15:40,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568826799] [2024-11-10 09:15:40,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568826799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:15:40,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:15:40,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:15:40,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672572661] [2024-11-10 09:15:40,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:15:40,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:15:40,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:15:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:15:40,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:15:40,671 INFO L87 Difference]: Start difference. First operand 5989 states and 7127 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)