./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.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-s_file-85.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 a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:51:49,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:51:49,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:51:49,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:51:49,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:51:49,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:51:49,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:51:49,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:51:49,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:51:49,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:51:49,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:51:49,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:51:49,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:51:49,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:51:49,197 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:51:49,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:51:49,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:51:49,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:51:49,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:51:49,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:51:49,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:51:49,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:51:49,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:51:49,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:51:49,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:51:49,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:51:49,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:51:49,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:51:49,205 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:51:49,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:51:49,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:51:49,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:51:49,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:51:49,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:51:49,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:51:49,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:51:49,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:51:49,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:51:49,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:51:49,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:51:49,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:51:49,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:51:49,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 [2024-11-10 09:51:49,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:51:49,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:51:49,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:51:49,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:51:49,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:51:49,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2024-11-10 09:51:51,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:51:51,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:51:51,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2024-11-10 09:51:51,293 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506b601c3/7575f55e0d814cfa8a3256c30676ad1a/FLAGff41d763d [2024-11-10 09:51:51,312 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506b601c3/7575f55e0d814cfa8a3256c30676ad1a [2024-11-10 09:51:51,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:51:51,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:51:51,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:51:51,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:51:51,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:51:51,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1f3e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51, skipping insertion in model container [2024-11-10 09:51:51,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:51:51,555 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-s_file-85.i[916,929] [2024-11-10 09:51:51,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:51:51,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:51:51,665 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-s_file-85.i[916,929] [2024-11-10 09:51:51,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:51:51,757 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:51:51,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51 WrapperNode [2024-11-10 09:51:51,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:51:51,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:51:51,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:51:51,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:51:51,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,838 INFO L138 Inliner]: procedures = 27, calls = 174, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-11-10 09:51:51,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:51:51,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:51:51,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:51:51,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:51:51,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,900 INFO L175 MemorySlicer]: Split 140 memory accesses to 2 slices as follows [2, 138]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 40 writes are split as follows [0, 40]. [2024-11-10 09:51:51,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:51:51,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:51:51,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:51:51,945 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:51:51,946 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (1/1) ... [2024-11-10 09:51:51,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:51:51,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:51:51,994 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 09:51:51,998 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 09:51:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:51:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 09:51:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 09:51:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 09:51:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 09:51:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 09:51:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 09:51:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:51:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:51:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:51:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 09:51:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:51:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:51:52,187 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:51:52,189 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:51:52,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: havoc property_#t~mem80#1;havoc property_#t~ite93#1;havoc property_#t~mem86#1;havoc property_#t~mem81#1;havoc property_#t~mem82#1;havoc property_#t~ite85#1;havoc property_#t~mem83#1;havoc property_#t~mem84#1;havoc property_#t~mem87#1;havoc property_#t~ite92#1;havoc property_#t~mem89#1;havoc property_#t~mem88#1;havoc property_#t~mem91#1;havoc property_#t~mem90#1;havoc property_#t~mem101#1;havoc property_#t~mem94#1;havoc property_#t~ite96#1;havoc property_#t~mem95#1;havoc property_#t~ite100#1;havoc property_#t~mem97#1;havoc property_#t~ite99#1;havoc property_#t~mem98#1;havoc property_#t~short102#1;havoc property_#t~mem110#1;havoc property_#t~mem106#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~short105#1;havoc property_#t~short107#1;havoc property_#t~mem108#1;havoc property_#t~short109#1;havoc property_#t~short111#1;havoc property_#t~mem117#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~short114#1;havoc property_#t~mem115#1;havoc property_#t~short116#1;havoc property_#t~short118#1;havoc property_#t~mem119#1;havoc property_#t~ite127#1;havoc property_#t~mem123#1;havoc property_#t~mem120#1;havoc property_#t~ite122#1;havoc property_#t~mem121#1;havoc property_#t~mem126#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~short128#1;havoc property_#t~mem131#1;havoc property_#t~mem129#1;havoc property_#t~mem130#1;havoc property_#t~mem132#1;havoc property_#t~ite141#1;havoc property_#t~mem133#1;havoc property_#t~ite138#1;havoc property_#t~mem135#1;havoc property_#t~mem134#1;havoc property_#t~mem137#1;havoc property_#t~mem136#1;havoc property_#t~mem140#1;havoc property_#t~mem139#1;havoc property_#t~short142#1; [2024-11-10 09:51:52,942 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-10 09:51:52,943 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:51:52,969 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:51:52,969 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:51:52,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:51:52 BoogieIcfgContainer [2024-11-10 09:51:52,969 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:51:52,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:51:52,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:51:52,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:51:52,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:51:51" (1/3) ... [2024-11-10 09:51:52,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9db6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:51:52, skipping insertion in model container [2024-11-10 09:51:52,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:51:51" (2/3) ... [2024-11-10 09:51:52,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9db6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:51:52, skipping insertion in model container [2024-11-10 09:51:52,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:51:52" (3/3) ... [2024-11-10 09:51:52,983 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-85.i [2024-11-10 09:51:52,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:51:52,999 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:51:53,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:51:53,074 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;@452aefbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:51:53,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:51:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 109 states have internal predecessors, (148), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:51:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:51:53,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:51:53,095 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:51:53,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:51:53,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:51:53,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1894499093, now seen corresponding path program 1 times [2024-11-10 09:51:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:51:53,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528328237] [2024-11-10 09:51:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:51:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:51:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:51:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:51:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:51:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:51:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:51:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:51:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:51:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:51:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:51:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:51:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:51:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:51:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:51:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:51:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:51:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:51:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:51:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:51:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:51:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:51:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:51:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:51:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:51:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:51:53,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:51:53,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528328237] [2024-11-10 09:51:53,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528328237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:51:53,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:51:53,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:51:53,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374795658] [2024-11-10 09:51:53,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:51:53,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:51:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:51:53,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:51:53,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:51:53,758 INFO L87 Difference]: Start difference. First operand has 134 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 109 states have internal predecessors, (148), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:51:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:51:53,795 INFO L93 Difference]: Finished difference Result 260 states and 404 transitions. [2024-11-10 09:51:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:51:53,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2024-11-10 09:51:53,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:51:53,810 INFO L225 Difference]: With dead ends: 260 [2024-11-10 09:51:53,811 INFO L226 Difference]: Without dead ends: 129 [2024-11-10 09:51:53,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 09:51:53,819 INFO L432 NwaCegarLoop]: 186 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, 186 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 09:51:53,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:51:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-10 09:51:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-10 09:51:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:51:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 186 transitions. [2024-11-10 09:51:53,924 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 186 transitions. Word has length 181 [2024-11-10 09:51:53,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:51:53,925 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 186 transitions. [2024-11-10 09:51:53,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:51:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2024-11-10 09:51:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:51:53,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:51:53,935 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:51:53,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:51:53,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:51:53,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:51:53,938 INFO L85 PathProgramCache]: Analyzing trace with hash 267884610, now seen corresponding path program 1 times [2024-11-10 09:51:53,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:51:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901002745] [2024-11-10 09:51:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:51:53,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:51:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:51:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:51:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:51:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:51:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:51:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:51:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:51:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:51:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:51:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:51:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:51:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:51:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:51:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:51:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:51:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:51:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:51:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:51:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:51:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:51:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:51:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:51:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:51:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:51:54,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:51:54,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901002745] [2024-11-10 09:51:54,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901002745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:51:54,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:51:54,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:51:54,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194194108] [2024-11-10 09:51:54,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:51:54,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:51:54,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:51:54,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:51:54,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:51:54,592 INFO L87 Difference]: Start difference. First operand 129 states and 186 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:51:54,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:51:54,671 INFO L93 Difference]: Finished difference Result 258 states and 373 transitions. [2024-11-10 09:51:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:51:54,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-10 09:51:54,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:51:54,675 INFO L225 Difference]: With dead ends: 258 [2024-11-10 09:51:54,676 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 09:51:54,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:51:54,678 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:51:54,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 540 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:51:54,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 09:51:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-10 09:51:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:51:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 188 transitions. [2024-11-10 09:51:54,694 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 188 transitions. Word has length 181 [2024-11-10 09:51:54,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:51:54,696 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 188 transitions. [2024-11-10 09:51:54,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:51:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2024-11-10 09:51:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:51:54,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:51:54,701 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:51:54,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:51:54,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:51:54,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:51:54,702 INFO L85 PathProgramCache]: Analyzing trace with hash 618684547, now seen corresponding path program 1 times [2024-11-10 09:51:54,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:51:54,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459365241] [2024-11-10 09:51:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:51:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:51:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:51:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:51:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:51:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:51:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:51:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:51:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:51:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:51:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:51:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:51:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:51:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:51:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:51:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:51:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:51:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:51:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:51:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:51:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:51:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:51:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:51:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:51:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:51:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:51:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:51:57,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:51:57,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459365241] [2024-11-10 09:51:57,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459365241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:51:57,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:51:57,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:51:57,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768251708] [2024-11-10 09:51:57,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:51:57,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:51:57,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:51:57,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:51:57,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:51:57,792 INFO L87 Difference]: Start difference. First operand 131 states and 188 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:51:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:51:58,676 INFO L93 Difference]: Finished difference Result 481 states and 688 transitions. [2024-11-10 09:51:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:51:58,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2024-11-10 09:51:58,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:51:58,683 INFO L225 Difference]: With dead ends: 481 [2024-11-10 09:51:58,684 INFO L226 Difference]: Without dead ends: 353 [2024-11-10 09:51:58,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:51:58,686 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 363 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:51:58,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 599 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:51:58,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-10 09:51:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 202. [2024-11-10 09:51:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 174 states have (on average 1.3793103448275863) internal successors, (240), 175 states have internal predecessors, (240), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:51:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 290 transitions. [2024-11-10 09:51:58,714 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 290 transitions. Word has length 181 [2024-11-10 09:51:58,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:51:58,716 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 290 transitions. [2024-11-10 09:51:58,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:51:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 290 transitions. [2024-11-10 09:51:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:51:58,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:51:58,724 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:51:58,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:51:58,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:51:58,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:51:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1741728190, now seen corresponding path program 1 times [2024-11-10 09:51:58,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:51:58,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779739542] [2024-11-10 09:51:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:51:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:51:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:00,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:00,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779739542] [2024-11-10 09:52:00,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779739542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:00,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:00,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:00,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576163175] [2024-11-10 09:52:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:00,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:00,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:00,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:00,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:00,502 INFO L87 Difference]: Start difference. First operand 202 states and 290 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:01,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:01,126 INFO L93 Difference]: Finished difference Result 584 states and 840 transitions. [2024-11-10 09:52:01,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:52:01,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 182 [2024-11-10 09:52:01,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:01,133 INFO L225 Difference]: With dead ends: 584 [2024-11-10 09:52:01,134 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 09:52:01,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:01,138 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 257 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:01,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 670 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:01,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 09:52:01,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 206. [2024-11-10 09:52:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 178 states have (on average 1.3707865168539326) internal successors, (244), 179 states have internal predecessors, (244), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 294 transitions. [2024-11-10 09:52:01,175 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 294 transitions. Word has length 182 [2024-11-10 09:52:01,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:01,176 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 294 transitions. [2024-11-10 09:52:01,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 294 transitions. [2024-11-10 09:52:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:01,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:01,182 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:01,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:52:01,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:01,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1124540858, now seen corresponding path program 1 times [2024-11-10 09:52:01,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:01,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123819110] [2024-11-10 09:52:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123819110] [2024-11-10 09:52:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123819110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:02,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:52:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848743400] [2024-11-10 09:52:02,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:02,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:52:02,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:02,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:52:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:02,210 INFO L87 Difference]: Start difference. First operand 206 states and 294 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:03,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:03,239 INFO L93 Difference]: Finished difference Result 816 states and 1166 transitions. [2024-11-10 09:52:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:03,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:03,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:03,247 INFO L225 Difference]: With dead ends: 816 [2024-11-10 09:52:03,247 INFO L226 Difference]: Without dead ends: 613 [2024-11-10 09:52:03,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:52:03,252 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 309 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:03,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1211 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:52:03,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-10 09:52:03,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 254. [2024-11-10 09:52:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 226 states have (on average 1.3849557522123894) internal successors, (313), 227 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 363 transitions. [2024-11-10 09:52:03,287 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 363 transitions. Word has length 182 [2024-11-10 09:52:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:03,288 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 363 transitions. [2024-11-10 09:52:03,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 363 transitions. [2024-11-10 09:52:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:03,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:03,290 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:03,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:52:03,291 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:03,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:03,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1817116741, now seen corresponding path program 1 times [2024-11-10 09:52:03,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:03,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597039550] [2024-11-10 09:52:03,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:03,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:03,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:03,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597039550] [2024-11-10 09:52:03,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597039550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:03,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:03,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:52:03,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849489561] [2024-11-10 09:52:03,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:03,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:52:03,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:03,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:52:03,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:52:03,833 INFO L87 Difference]: Start difference. First operand 254 states and 363 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:04,210 INFO L93 Difference]: Finished difference Result 669 states and 956 transitions. [2024-11-10 09:52:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:04,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:04,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:04,214 INFO L225 Difference]: With dead ends: 669 [2024-11-10 09:52:04,214 INFO L226 Difference]: Without dead ends: 418 [2024-11-10 09:52:04,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 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 09:52:04,218 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 152 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:04,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 705 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:04,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-10 09:52:04,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 292. [2024-11-10 09:52:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 264 states have (on average 1.3901515151515151) internal successors, (367), 265 states have internal predecessors, (367), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 417 transitions. [2024-11-10 09:52:04,245 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 417 transitions. Word has length 182 [2024-11-10 09:52:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:04,246 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 417 transitions. [2024-11-10 09:52:04,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 417 transitions. [2024-11-10 09:52:04,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:04,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:04,249 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:04,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:52:04,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:04,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:04,250 INFO L85 PathProgramCache]: Analyzing trace with hash 715716633, now seen corresponding path program 1 times [2024-11-10 09:52:04,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:04,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338334859] [2024-11-10 09:52:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:04,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:04,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:04,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338334859] [2024-11-10 09:52:04,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338334859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:04,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:04,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:52:04,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158702205] [2024-11-10 09:52:04,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:04,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:52:04,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:04,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:52:04,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:52:04,725 INFO L87 Difference]: Start difference. First operand 292 states and 417 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:05,068 INFO L93 Difference]: Finished difference Result 707 states and 1006 transitions. [2024-11-10 09:52:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:05,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:05,071 INFO L225 Difference]: With dead ends: 707 [2024-11-10 09:52:05,072 INFO L226 Difference]: Without dead ends: 418 [2024-11-10 09:52:05,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 09:52:05,075 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 154 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:05,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 709 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:05,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-10 09:52:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 292. [2024-11-10 09:52:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 264 states have (on average 1.375) internal successors, (363), 265 states have internal predecessors, (363), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 413 transitions. [2024-11-10 09:52:05,094 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 413 transitions. Word has length 182 [2024-11-10 09:52:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:05,095 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 413 transitions. [2024-11-10 09:52:05,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2024-11-10 09:52:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:05,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:05,097 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:05,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:52:05,098 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:05,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:05,100 INFO L85 PathProgramCache]: Analyzing trace with hash 570789855, now seen corresponding path program 1 times [2024-11-10 09:52:05,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:05,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468864671] [2024-11-10 09:52:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:05,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:52:06,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:06,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468864671] [2024-11-10 09:52:06,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468864671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:52:06,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634746919] [2024-11-10 09:52:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:06,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:52:06,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:52:06,138 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 09:52:06,139 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 09:52:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:06,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 09:52:06,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:52:06,491 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 19 treesize of output 19 [2024-11-10 09:52:06,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:06,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 51 [2024-11-10 09:52:06,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:06,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 21 [2024-11-10 09:52:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:06,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 09:52:06,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634746919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:06,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 09:52:06,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-10 09:52:06,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507564107] [2024-11-10 09:52:06,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:06,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:52:06,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:06,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:52:06,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:52:06,734 INFO L87 Difference]: Start difference. First operand 292 states and 413 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:07,352 INFO L93 Difference]: Finished difference Result 847 states and 1187 transitions. [2024-11-10 09:52:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:52:07,353 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:07,357 INFO L225 Difference]: With dead ends: 847 [2024-11-10 09:52:07,358 INFO L226 Difference]: Without dead ends: 558 [2024-11-10 09:52:07,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:52:07,360 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 229 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:07,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 996 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-10 09:52:07,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 321. [2024-11-10 09:52:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 293 states have (on average 1.3856655290102389) internal successors, (406), 294 states have internal predecessors, (406), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 456 transitions. [2024-11-10 09:52:07,377 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 456 transitions. Word has length 182 [2024-11-10 09:52:07,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:07,377 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 456 transitions. [2024-11-10 09:52:07,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 456 transitions. [2024-11-10 09:52:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:07,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:07,380 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:07,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 09:52:07,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:52:07,585 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:07,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:07,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1924099552, now seen corresponding path program 1 times [2024-11-10 09:52:07,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:07,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573761726] [2024-11-10 09:52:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:08,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:08,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573761726] [2024-11-10 09:52:08,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573761726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:08,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:08,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:52:08,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492868779] [2024-11-10 09:52:08,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:08,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:52:08,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:08,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:52:08,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:52:08,433 INFO L87 Difference]: Start difference. First operand 321 states and 456 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:09,297 INFO L93 Difference]: Finished difference Result 1028 states and 1458 transitions. [2024-11-10 09:52:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:52:09,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:09,302 INFO L225 Difference]: With dead ends: 1028 [2024-11-10 09:52:09,302 INFO L226 Difference]: Without dead ends: 710 [2024-11-10 09:52:09,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:52:09,304 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 379 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:09,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 913 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:52:09,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-10 09:52:09,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 346. [2024-11-10 09:52:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 318 states have (on average 1.3867924528301887) internal successors, (441), 319 states have internal predecessors, (441), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 491 transitions. [2024-11-10 09:52:09,333 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 491 transitions. Word has length 182 [2024-11-10 09:52:09,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:09,334 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 491 transitions. [2024-11-10 09:52:09,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 491 transitions. [2024-11-10 09:52:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:09,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:09,337 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:09,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:52:09,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:09,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:09,337 INFO L85 PathProgramCache]: Analyzing trace with hash -46397477, now seen corresponding path program 1 times [2024-11-10 09:52:09,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:09,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244248041] [2024-11-10 09:52:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:10,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:10,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244248041] [2024-11-10 09:52:10,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244248041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:10,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:10,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:52:10,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814561353] [2024-11-10 09:52:10,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:10,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:52:10,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:10,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:52:10,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:52:10,912 INFO L87 Difference]: Start difference. First operand 346 states and 491 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:11,755 INFO L93 Difference]: Finished difference Result 966 states and 1368 transitions. [2024-11-10 09:52:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:11,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 182 [2024-11-10 09:52:11,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:11,761 INFO L225 Difference]: With dead ends: 966 [2024-11-10 09:52:11,761 INFO L226 Difference]: Without dead ends: 623 [2024-11-10 09:52:11,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:52:11,763 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 468 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:11,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 516 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:52:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-10 09:52:11,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 357. [2024-11-10 09:52:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 329 states have (on average 1.3799392097264438) internal successors, (454), 330 states have internal predecessors, (454), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 504 transitions. [2024-11-10 09:52:11,789 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 504 transitions. Word has length 182 [2024-11-10 09:52:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:11,790 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 504 transitions. [2024-11-10 09:52:11,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 504 transitions. [2024-11-10 09:52:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:11,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:11,794 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:11,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:52:11,794 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:11,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash 782140768, now seen corresponding path program 1 times [2024-11-10 09:52:11,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:11,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998171432] [2024-11-10 09:52:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:11,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:12,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998171432] [2024-11-10 09:52:12,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998171432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:12,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:12,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:52:12,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130954671] [2024-11-10 09:52:12,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:12,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:52:12,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:52:12,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:52:12,648 INFO L87 Difference]: Start difference. First operand 357 states and 504 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:13,538 INFO L93 Difference]: Finished difference Result 1076 states and 1517 transitions. [2024-11-10 09:52:13,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:52:13,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:13,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:13,543 INFO L225 Difference]: With dead ends: 1076 [2024-11-10 09:52:13,544 INFO L226 Difference]: Without dead ends: 722 [2024-11-10 09:52:13,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:52:13,545 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 376 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:13,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 855 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:52:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-11-10 09:52:13,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 374. [2024-11-10 09:52:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 346 states have (on average 1.3728323699421965) internal successors, (475), 347 states have internal predecessors, (475), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 525 transitions. [2024-11-10 09:52:13,568 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 525 transitions. Word has length 182 [2024-11-10 09:52:13,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:13,569 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 525 transitions. [2024-11-10 09:52:13,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 525 transitions. [2024-11-10 09:52:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:52:13,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:13,572 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:13,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:52:13,572 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:13,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash 2135450465, now seen corresponding path program 1 times [2024-11-10 09:52:13,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:13,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037302527] [2024-11-10 09:52:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:13,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:13,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:13,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037302527] [2024-11-10 09:52:13,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037302527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:13,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:13,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:52:13,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908905051] [2024-11-10 09:52:13,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:13,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:52:13,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:13,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:52:13,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:13,924 INFO L87 Difference]: Start difference. First operand 374 states and 525 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:14,438 INFO L93 Difference]: Finished difference Result 1063 states and 1503 transitions. [2024-11-10 09:52:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:52:14,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-10 09:52:14,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:14,442 INFO L225 Difference]: With dead ends: 1063 [2024-11-10 09:52:14,442 INFO L226 Difference]: Without dead ends: 692 [2024-11-10 09:52:14,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:52:14,444 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 165 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:14,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1798 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:52:14,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-10 09:52:14,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 386. [2024-11-10 09:52:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 358 states have (on average 1.3743016759776536) internal successors, (492), 359 states have internal predecessors, (492), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 542 transitions. [2024-11-10 09:52:14,464 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 542 transitions. Word has length 182 [2024-11-10 09:52:14,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:14,464 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 542 transitions. [2024-11-10 09:52:14,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 542 transitions. [2024-11-10 09:52:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:52:14,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:14,467 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:14,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:52:14,468 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:14,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:14,468 INFO L85 PathProgramCache]: Analyzing trace with hash -885210467, now seen corresponding path program 1 times [2024-11-10 09:52:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:14,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646573446] [2024-11-10 09:52:14,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:14,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:15,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:15,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646573446] [2024-11-10 09:52:15,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646573446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:15,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:15,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:15,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804278109] [2024-11-10 09:52:15,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:15,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:15,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:15,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:15,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:15,137 INFO L87 Difference]: Start difference. First operand 386 states and 542 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:15,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:15,656 INFO L93 Difference]: Finished difference Result 950 states and 1331 transitions. [2024-11-10 09:52:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:15,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-10 09:52:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:15,660 INFO L225 Difference]: With dead ends: 950 [2024-11-10 09:52:15,660 INFO L226 Difference]: Without dead ends: 567 [2024-11-10 09:52:15,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:15,663 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 298 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:15,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 522 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:15,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-10 09:52:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 380. [2024-11-10 09:52:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 352 states have (on average 1.375) internal successors, (484), 353 states have internal predecessors, (484), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 534 transitions. [2024-11-10 09:52:15,682 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 534 transitions. Word has length 183 [2024-11-10 09:52:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:15,683 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 534 transitions. [2024-11-10 09:52:15,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 534 transitions. [2024-11-10 09:52:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:52:15,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:15,686 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:15,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:52:15,686 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:15,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1647622907, now seen corresponding path program 1 times [2024-11-10 09:52:15,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:15,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287850306] [2024-11-10 09:52:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:16,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:16,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287850306] [2024-11-10 09:52:16,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287850306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:16,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:16,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:16,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759367286] [2024-11-10 09:52:16,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:16,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:16,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:16,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:16,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:16,247 INFO L87 Difference]: Start difference. First operand 380 states and 534 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:16,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:16,844 INFO L93 Difference]: Finished difference Result 928 states and 1305 transitions. [2024-11-10 09:52:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:16,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-10 09:52:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:16,848 INFO L225 Difference]: With dead ends: 928 [2024-11-10 09:52:16,848 INFO L226 Difference]: Without dead ends: 551 [2024-11-10 09:52:16,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:16,849 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 382 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:16,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 350 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:16,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-10 09:52:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 382. [2024-11-10 09:52:16,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 354 states have (on average 1.3728813559322033) internal successors, (486), 355 states have internal predecessors, (486), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 536 transitions. [2024-11-10 09:52:16,865 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 536 transitions. Word has length 183 [2024-11-10 09:52:16,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:16,866 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 536 transitions. [2024-11-10 09:52:16,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 536 transitions. [2024-11-10 09:52:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:52:16,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:16,867 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:16,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 09:52:16,868 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:16,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:16,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1294034692, now seen corresponding path program 1 times [2024-11-10 09:52:16,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:16,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853938695] [2024-11-10 09:52:16,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:16,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:17,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:17,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853938695] [2024-11-10 09:52:17,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853938695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:17,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:17,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:52:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830872098] [2024-11-10 09:52:17,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:17,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:52:17,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:17,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:52:17,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:17,607 INFO L87 Difference]: Start difference. First operand 382 states and 536 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:18,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:18,535 INFO L93 Difference]: Finished difference Result 1150 states and 1616 transitions. [2024-11-10 09:52:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:18,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-10 09:52:18,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:18,538 INFO L225 Difference]: With dead ends: 1150 [2024-11-10 09:52:18,538 INFO L226 Difference]: Without dead ends: 771 [2024-11-10 09:52:18,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:52:18,540 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 303 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:18,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1662 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:52:18,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-10 09:52:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 388. [2024-11-10 09:52:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 360 states have (on average 1.3666666666666667) internal successors, (492), 361 states have internal predecessors, (492), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 542 transitions. [2024-11-10 09:52:18,562 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 542 transitions. Word has length 183 [2024-11-10 09:52:18,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:18,562 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 542 transitions. [2024-11-10 09:52:18,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 542 transitions. [2024-11-10 09:52:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:52:18,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:18,564 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:18,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:52:18,564 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:18,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:18,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1025404420, now seen corresponding path program 1 times [2024-11-10 09:52:18,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:18,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826753481] [2024-11-10 09:52:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:52:19,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:19,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826753481] [2024-11-10 09:52:19,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826753481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:52:19,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582019292] [2024-11-10 09:52:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:19,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:52:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:52:19,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:52:19,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 09:52:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:19,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-10 09:52:19,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:52:19,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-10 09:52:19,955 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 48 treesize of output 34 [2024-11-10 09:52:19,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 60 [2024-11-10 09:52:19,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-11-10 09:52:20,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:20,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2024-11-10 09:52:20,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:20,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2024-11-10 09:52:20,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:20,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2024-11-10 09:52:20,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:20,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 52 [2024-11-10 09:52:20,304 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 09:52:20,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 31 [2024-11-10 09:52:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:20,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 09:52:20,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582019292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:20,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 09:52:20,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2024-11-10 09:52:20,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591249931] [2024-11-10 09:52:20,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:20,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:52:20,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:20,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:52:20,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:52:20,359 INFO L87 Difference]: Start difference. First operand 388 states and 542 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:21,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:21,688 INFO L93 Difference]: Finished difference Result 1135 states and 1589 transitions. [2024-11-10 09:52:21,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:52:21,688 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-10 09:52:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:21,694 INFO L225 Difference]: With dead ends: 1135 [2024-11-10 09:52:21,695 INFO L226 Difference]: Without dead ends: 750 [2024-11-10 09:52:21,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-11-10 09:52:21,696 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 564 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:21,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1444 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 09:52:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-10 09:52:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 381. [2024-11-10 09:52:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 353 states have (on average 1.3654390934844192) internal successors, (482), 354 states have internal predecessors, (482), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 532 transitions. [2024-11-10 09:52:21,722 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 532 transitions. Word has length 183 [2024-11-10 09:52:21,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:21,723 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 532 transitions. [2024-11-10 09:52:21,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 532 transitions. [2024-11-10 09:52:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:52:21,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:21,725 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:21,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 09:52:21,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 09:52:21,926 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:21,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:21,926 INFO L85 PathProgramCache]: Analyzing trace with hash 408217088, now seen corresponding path program 1 times [2024-11-10 09:52:21,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:21,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979872352] [2024-11-10 09:52:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:21,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:22,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979872352] [2024-11-10 09:52:22,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979872352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:22,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:22,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:22,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565557015] [2024-11-10 09:52:22,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:22,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:22,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:22,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:22,944 INFO L87 Difference]: Start difference. First operand 381 states and 532 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:23,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:23,394 INFO L93 Difference]: Finished difference Result 988 states and 1391 transitions. [2024-11-10 09:52:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:52:23,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2024-11-10 09:52:23,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:23,399 INFO L225 Difference]: With dead ends: 988 [2024-11-10 09:52:23,400 INFO L226 Difference]: Without dead ends: 610 [2024-11-10 09:52:23,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:23,405 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 263 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:23,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 538 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:52:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-10 09:52:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 337. [2024-11-10 09:52:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 309 states have (on average 1.3365695792880259) internal successors, (413), 310 states have internal predecessors, (413), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 463 transitions. [2024-11-10 09:52:23,447 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 463 transitions. Word has length 183 [2024-11-10 09:52:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:23,451 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 463 transitions. [2024-11-10 09:52:23,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 463 transitions. [2024-11-10 09:52:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 09:52:23,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:23,452 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:23,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 09:52:23,452 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:23,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:23,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1389992988, now seen corresponding path program 1 times [2024-11-10 09:52:23,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:23,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180490427] [2024-11-10 09:52:23,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:23,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:23,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180490427] [2024-11-10 09:52:23,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180490427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:23,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:23,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:52:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793624433] [2024-11-10 09:52:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:23,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:52:23,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:52:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:52:23,562 INFO L87 Difference]: Start difference. First operand 337 states and 463 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:23,585 INFO L93 Difference]: Finished difference Result 672 states and 925 transitions. [2024-11-10 09:52:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:52:23,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-11-10 09:52:23,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:23,588 INFO L225 Difference]: With dead ends: 672 [2024-11-10 09:52:23,588 INFO L226 Difference]: Without dead ends: 338 [2024-11-10 09:52:23,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:52:23,589 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:23,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:52:23,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-10 09:52:23,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-10 09:52:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 310 states have (on average 1.335483870967742) internal successors, (414), 311 states have internal predecessors, (414), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 464 transitions. [2024-11-10 09:52:23,611 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 464 transitions. Word has length 184 [2024-11-10 09:52:23,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:23,612 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 464 transitions. [2024-11-10 09:52:23,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 464 transitions. [2024-11-10 09:52:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 09:52:23,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:23,614 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:23,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 09:52:23,614 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:23,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash 467309405, now seen corresponding path program 1 times [2024-11-10 09:52:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604031075] [2024-11-10 09:52:23,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:23,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:23,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604031075] [2024-11-10 09:52:23,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604031075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:23,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:23,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:52:23,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662157793] [2024-11-10 09:52:23,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:23,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:52:23,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:23,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:52:23,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:52:23,800 INFO L87 Difference]: Start difference. First operand 338 states and 464 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:24,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:24,038 INFO L93 Difference]: Finished difference Result 845 states and 1159 transitions. [2024-11-10 09:52:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:52:24,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-11-10 09:52:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:24,041 INFO L225 Difference]: With dead ends: 845 [2024-11-10 09:52:24,041 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 09:52:24,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 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 09:52:24,043 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 95 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:24,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 603 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:52:24,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 09:52:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 338. [2024-11-10 09:52:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 310 states have (on average 1.332258064516129) internal successors, (413), 311 states have internal predecessors, (413), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 463 transitions. [2024-11-10 09:52:24,066 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 463 transitions. Word has length 184 [2024-11-10 09:52:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:24,066 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 463 transitions. [2024-11-10 09:52:24,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 463 transitions. [2024-11-10 09:52:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 09:52:24,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:24,068 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:24,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 09:52:24,069 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:24,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:24,069 INFO L85 PathProgramCache]: Analyzing trace with hash 797075166, now seen corresponding path program 1 times [2024-11-10 09:52:24,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:24,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333535709] [2024-11-10 09:52:24,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:24,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:24,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333535709] [2024-11-10 09:52:24,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333535709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:24,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:24,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:52:24,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973905875] [2024-11-10 09:52:24,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:24,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:52:24,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:24,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:52:24,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:52:24,266 INFO L87 Difference]: Start difference. First operand 338 states and 463 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:24,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:24,453 INFO L93 Difference]: Finished difference Result 572 states and 784 transitions. [2024-11-10 09:52:24,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:52:24,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-11-10 09:52:24,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:24,455 INFO L225 Difference]: With dead ends: 572 [2024-11-10 09:52:24,455 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 09:52:24,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 09:52:24,456 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:24,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 559 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:52:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 09:52:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 235. [2024-11-10 09:52:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 207 states have (on average 1.3091787439613527) internal successors, (271), 208 states have internal predecessors, (271), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 321 transitions. [2024-11-10 09:52:24,478 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 321 transitions. Word has length 184 [2024-11-10 09:52:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:24,478 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 321 transitions. [2024-11-10 09:52:24,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 321 transitions. [2024-11-10 09:52:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-10 09:52:24,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:24,479 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:24,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 09:52:24,479 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:24,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:24,480 INFO L85 PathProgramCache]: Analyzing trace with hash -456361012, now seen corresponding path program 1 times [2024-11-10 09:52:24,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:24,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669236570] [2024-11-10 09:52:24,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:24,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:24,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:24,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669236570] [2024-11-10 09:52:24,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669236570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:24,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:24,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:52:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937617167] [2024-11-10 09:52:24,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:24,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:52:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:24,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:52:24,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:52:24,996 INFO L87 Difference]: Start difference. First operand 235 states and 321 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:25,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:25,341 INFO L93 Difference]: Finished difference Result 530 states and 727 transitions. [2024-11-10 09:52:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:52:25,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-10 09:52:25,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:25,344 INFO L225 Difference]: With dead ends: 530 [2024-11-10 09:52:25,344 INFO L226 Difference]: Without dead ends: 298 [2024-11-10 09:52:25,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:52:25,345 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 150 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:25,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1133 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-10 09:52:25,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 241. [2024-11-10 09:52:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 213 states have (on average 1.300469483568075) internal successors, (277), 214 states have internal predecessors, (277), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 327 transitions. [2024-11-10 09:52:25,380 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 327 transitions. Word has length 185 [2024-11-10 09:52:25,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:25,381 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 327 transitions. [2024-11-10 09:52:25,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 327 transitions. [2024-11-10 09:52:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 09:52:25,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:25,382 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:25,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 09:52:25,383 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:25,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:25,384 INFO L85 PathProgramCache]: Analyzing trace with hash -149419574, now seen corresponding path program 1 times [2024-11-10 09:52:25,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:25,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354891809] [2024-11-10 09:52:25,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:25,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:25,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354891809] [2024-11-10 09:52:25,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354891809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:25,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:25,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:52:25,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000790851] [2024-11-10 09:52:25,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:25,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:52:25,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:25,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:52:25,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:52:25,476 INFO L87 Difference]: Start difference. First operand 241 states and 327 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:25,498 INFO L93 Difference]: Finished difference Result 481 states and 655 transitions. [2024-11-10 09:52:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:52:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-10 09:52:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:25,501 INFO L225 Difference]: With dead ends: 481 [2024-11-10 09:52:25,501 INFO L226 Difference]: Without dead ends: 243 [2024-11-10 09:52:25,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:52:25,503 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:25,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 354 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:52:25,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-10 09:52:25,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2024-11-10 09:52:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 215 states have (on average 1.2976744186046512) internal successors, (279), 216 states have internal predecessors, (279), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 329 transitions. [2024-11-10 09:52:25,524 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 329 transitions. Word has length 187 [2024-11-10 09:52:25,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:25,525 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 329 transitions. [2024-11-10 09:52:25,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2024-11-10 09:52:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 09:52:25,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:25,526 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:25,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 09:52:25,527 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:25,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:25,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1146491927, now seen corresponding path program 1 times [2024-11-10 09:52:25,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:25,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156302003] [2024-11-10 09:52:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:25,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:25,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:25,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156302003] [2024-11-10 09:52:25,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156302003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:25,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:25,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:52:25,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548527351] [2024-11-10 09:52:25,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:25,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:52:25,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:25,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:52:25,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:52:25,719 INFO L87 Difference]: Start difference. First operand 243 states and 329 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:25,841 INFO L93 Difference]: Finished difference Result 473 states and 641 transitions. [2024-11-10 09:52:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:52:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-10 09:52:25,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:25,844 INFO L225 Difference]: With dead ends: 473 [2024-11-10 09:52:25,844 INFO L226 Difference]: Without dead ends: 233 [2024-11-10 09:52:25,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:52:25,845 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:25,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 441 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:52:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-10 09:52:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2024-11-10 09:52:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 204 states have internal predecessors, (261), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 311 transitions. [2024-11-10 09:52:25,863 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 311 transitions. Word has length 187 [2024-11-10 09:52:25,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:25,864 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 311 transitions. [2024-11-10 09:52:25,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 311 transitions. [2024-11-10 09:52:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 09:52:25,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:25,866 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:25,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 09:52:25,866 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:25,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:25,866 INFO L85 PathProgramCache]: Analyzing trace with hash -526935597, now seen corresponding path program 1 times [2024-11-10 09:52:25,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:25,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914216535] [2024-11-10 09:52:25,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:25,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:25,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914216535] [2024-11-10 09:52:25,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914216535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:25,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:25,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:52:25,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781710941] [2024-11-10 09:52:25,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:25,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:52:25,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:25,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:52:25,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:52:25,977 INFO L87 Difference]: Start difference. First operand 231 states and 311 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:26,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:26,011 INFO L93 Difference]: Finished difference Result 465 states and 627 transitions. [2024-11-10 09:52:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:52:26,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-10 09:52:26,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:26,014 INFO L225 Difference]: With dead ends: 465 [2024-11-10 09:52:26,014 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 09:52:26,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:52:26,015 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:26,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 508 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:52:26,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 09:52:26,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 235. [2024-11-10 09:52:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 207 states have (on average 1.2801932367149758) internal successors, (265), 208 states have internal predecessors, (265), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 315 transitions. [2024-11-10 09:52:26,039 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 315 transitions. Word has length 189 [2024-11-10 09:52:26,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:26,040 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 315 transitions. [2024-11-10 09:52:26,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 315 transitions. [2024-11-10 09:52:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 09:52:26,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:26,045 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:26,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 09:52:26,045 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:26,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:26,046 INFO L85 PathProgramCache]: Analyzing trace with hash -820338604, now seen corresponding path program 1 times [2024-11-10 09:52:26,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:26,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244394981] [2024-11-10 09:52:26,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:26,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:26,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:26,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244394981] [2024-11-10 09:52:26,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244394981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:26,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:26,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:52:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124932730] [2024-11-10 09:52:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:26,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:52:26,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:52:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:52:26,770 INFO L87 Difference]: Start difference. First operand 235 states and 315 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:27,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:27,355 INFO L93 Difference]: Finished difference Result 655 states and 873 transitions. [2024-11-10 09:52:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:27,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-10 09:52:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:27,358 INFO L225 Difference]: With dead ends: 655 [2024-11-10 09:52:27,358 INFO L226 Difference]: Without dead ends: 423 [2024-11-10 09:52:27,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:52:27,359 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 143 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:27,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1716 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:27,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-10 09:52:27,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 297. [2024-11-10 09:52:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 269 states have (on average 1.2527881040892193) internal successors, (337), 270 states have internal predecessors, (337), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:52:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 387 transitions. [2024-11-10 09:52:27,383 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 387 transitions. Word has length 189 [2024-11-10 09:52:27,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:27,383 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 387 transitions. [2024-11-10 09:52:27,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 387 transitions. [2024-11-10 09:52:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 09:52:27,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:27,385 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:27,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 09:52:27,386 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:27,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:27,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1845115698, now seen corresponding path program 1 times [2024-11-10 09:52:27,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:27,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680720757] [2024-11-10 09:52:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:27,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:28,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:28,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680720757] [2024-11-10 09:52:28,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680720757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:28,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:28,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:28,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446404906] [2024-11-10 09:52:28,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:28,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:28,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:28,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:28,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:28,422 INFO L87 Difference]: Start difference. First operand 297 states and 387 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:28,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:28,700 INFO L93 Difference]: Finished difference Result 658 states and 853 transitions. [2024-11-10 09:52:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:28,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-10 09:52:28,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:28,703 INFO L225 Difference]: With dead ends: 658 [2024-11-10 09:52:28,703 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 09:52:28,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 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 09:52:28,704 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 141 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:28,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 632 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:52:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 09:52:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 223. [2024-11-10 09:52:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 197 states have (on average 1.2385786802030456) internal successors, (244), 197 states have internal predecessors, (244), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:52:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 290 transitions. [2024-11-10 09:52:28,722 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 290 transitions. Word has length 190 [2024-11-10 09:52:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:28,723 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 290 transitions. [2024-11-10 09:52:28,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 290 transitions. [2024-11-10 09:52:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 09:52:28,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:28,724 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:28,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 09:52:28,725 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:28,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:28,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1412424432, now seen corresponding path program 1 times [2024-11-10 09:52:28,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:28,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710196] [2024-11-10 09:52:28,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:28,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:28,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:28,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710196] [2024-11-10 09:52:28,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:28,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:28,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:52:28,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618311157] [2024-11-10 09:52:28,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:28,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:52:28,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:28,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:52:28,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:52:28,870 INFO L87 Difference]: Start difference. First operand 223 states and 290 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:28,906 INFO L93 Difference]: Finished difference Result 450 states and 586 transitions. [2024-11-10 09:52:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:52:28,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-10 09:52:28,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:28,910 INFO L225 Difference]: With dead ends: 450 [2024-11-10 09:52:28,910 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 09:52:28,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 09:52:28,911 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 1 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:28,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 672 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:52:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 09:52:28,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-11-10 09:52:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 201 states have (on average 1.2338308457711442) internal successors, (248), 201 states have internal predecessors, (248), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:52:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 294 transitions. [2024-11-10 09:52:28,931 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 294 transitions. Word has length 191 [2024-11-10 09:52:28,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:28,932 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 294 transitions. [2024-11-10 09:52:28,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 294 transitions. [2024-11-10 09:52:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 09:52:28,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:28,933 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:28,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 09:52:28,934 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:28,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:28,934 INFO L85 PathProgramCache]: Analyzing trace with hash -901890255, now seen corresponding path program 1 times [2024-11-10 09:52:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:28,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904090786] [2024-11-10 09:52:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:29,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:29,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904090786] [2024-11-10 09:52:29,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904090786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:29,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:29,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:29,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565246039] [2024-11-10 09:52:29,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:29,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:29,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:29,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:29,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:29,987 INFO L87 Difference]: Start difference. First operand 227 states and 294 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:30,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:30,326 INFO L93 Difference]: Finished difference Result 490 states and 633 transitions. [2024-11-10 09:52:30,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:30,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-10 09:52:30,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:30,329 INFO L225 Difference]: With dead ends: 490 [2024-11-10 09:52:30,329 INFO L226 Difference]: Without dead ends: 266 [2024-11-10 09:52:30,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 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 09:52:30,330 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:30,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 540 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:30,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-10 09:52:30,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 227. [2024-11-10 09:52:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 201 states have (on average 1.228855721393035) internal successors, (247), 201 states have internal predecessors, (247), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:52:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 293 transitions. [2024-11-10 09:52:30,351 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 293 transitions. Word has length 191 [2024-11-10 09:52:30,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:30,351 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 293 transitions. [2024-11-10 09:52:30,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 293 transitions. [2024-11-10 09:52:30,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:30,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:30,353 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:30,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 09:52:30,353 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:30,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:30,353 INFO L85 PathProgramCache]: Analyzing trace with hash -4751633, now seen corresponding path program 1 times [2024-11-10 09:52:30,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:30,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609255973] [2024-11-10 09:52:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:30,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:31,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:31,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609255973] [2024-11-10 09:52:31,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609255973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:31,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:31,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753654820] [2024-11-10 09:52:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:31,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:31,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:31,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:31,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:31,623 INFO L87 Difference]: Start difference. First operand 227 states and 293 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:31,881 INFO L93 Difference]: Finished difference Result 585 states and 752 transitions. [2024-11-10 09:52:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:31,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-10 09:52:31,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:31,883 INFO L225 Difference]: With dead ends: 585 [2024-11-10 09:52:31,883 INFO L226 Difference]: Without dead ends: 361 [2024-11-10 09:52:31,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 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 09:52:31,886 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 141 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:31,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 557 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:52:31,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-10 09:52:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 357. [2024-11-10 09:52:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 325 states have (on average 1.24) internal successors, (403), 326 states have internal predecessors, (403), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 09:52:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 457 transitions. [2024-11-10 09:52:31,915 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 457 transitions. Word has length 192 [2024-11-10 09:52:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:31,915 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 457 transitions. [2024-11-10 09:52:31,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 457 transitions. [2024-11-10 09:52:31,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:31,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:31,918 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:31,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 09:52:31,918 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:31,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:31,918 INFO L85 PathProgramCache]: Analyzing trace with hash 799185551, now seen corresponding path program 1 times [2024-11-10 09:52:31,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:31,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091482927] [2024-11-10 09:52:31,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:31,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:33,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091482927] [2024-11-10 09:52:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091482927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:33,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:33,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:52:33,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954786883] [2024-11-10 09:52:33,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:33,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:52:33,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:33,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:52:33,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:52:33,457 INFO L87 Difference]: Start difference. First operand 357 states and 457 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:34,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:34,251 INFO L93 Difference]: Finished difference Result 928 states and 1187 transitions. [2024-11-10 09:52:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:52:34,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-10 09:52:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:34,255 INFO L225 Difference]: With dead ends: 928 [2024-11-10 09:52:34,255 INFO L226 Difference]: Without dead ends: 574 [2024-11-10 09:52:34,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:52:34,257 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 166 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:34,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1486 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:52:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-10 09:52:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 482. [2024-11-10 09:52:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 434 states have (on average 1.237327188940092) internal successors, (537), 437 states have internal predecessors, (537), 39 states have call successors, (39), 8 states have call predecessors, (39), 8 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 09:52:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 615 transitions. [2024-11-10 09:52:34,303 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 615 transitions. Word has length 192 [2024-11-10 09:52:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:34,303 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 615 transitions. [2024-11-10 09:52:34,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 615 transitions. [2024-11-10 09:52:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:34,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:34,305 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:34,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 09:52:34,305 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:34,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:34,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1523307055, now seen corresponding path program 1 times [2024-11-10 09:52:34,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:34,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744622756] [2024-11-10 09:52:34,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:34,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:35,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:35,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744622756] [2024-11-10 09:52:35,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744622756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:35,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:35,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:52:35,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990083223] [2024-11-10 09:52:35,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:35,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:52:35,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:35,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:52:35,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:52:35,621 INFO L87 Difference]: Start difference. First operand 482 states and 615 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:36,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:36,217 INFO L93 Difference]: Finished difference Result 1092 states and 1391 transitions. [2024-11-10 09:52:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:52:36,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-10 09:52:36,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:36,220 INFO L225 Difference]: With dead ends: 1092 [2024-11-10 09:52:36,220 INFO L226 Difference]: Without dead ends: 613 [2024-11-10 09:52:36,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:52:36,221 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 319 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:36,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 898 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:36,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-10 09:52:36,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 411. [2024-11-10 09:52:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 378 states have (on average 1.2328042328042328) internal successors, (466), 379 states have internal predecessors, (466), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 09:52:36,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 520 transitions. [2024-11-10 09:52:36,257 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 520 transitions. Word has length 192 [2024-11-10 09:52:36,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:36,257 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 520 transitions. [2024-11-10 09:52:36,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 520 transitions. [2024-11-10 09:52:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:36,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:36,259 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:36,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 09:52:36,260 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:36,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1229904048, now seen corresponding path program 1 times [2024-11-10 09:52:36,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:36,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223687899] [2024-11-10 09:52:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:37,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:37,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223687899] [2024-11-10 09:52:37,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223687899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:37,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:37,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:52:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782762244] [2024-11-10 09:52:37,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:37,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:52:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:37,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:52:37,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:52:37,182 INFO L87 Difference]: Start difference. First operand 411 states and 520 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:37,602 INFO L93 Difference]: Finished difference Result 918 states and 1161 transitions. [2024-11-10 09:52:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:37,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-10 09:52:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:37,605 INFO L225 Difference]: With dead ends: 918 [2024-11-10 09:52:37,605 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 09:52:37,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:52:37,606 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 149 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:37,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1157 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:37,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 09:52:37,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 490. [2024-11-10 09:52:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 443 states have (on average 1.2279909706546275) internal successors, (544), 446 states have internal predecessors, (544), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (37), 34 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 09:52:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 618 transitions. [2024-11-10 09:52:37,652 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 618 transitions. Word has length 192 [2024-11-10 09:52:37,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:37,653 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 618 transitions. [2024-11-10 09:52:37,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 618 transitions. [2024-11-10 09:52:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:37,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:37,655 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:37,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 09:52:37,657 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:37,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:37,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2034201746, now seen corresponding path program 1 times [2024-11-10 09:52:37,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:37,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086937227] [2024-11-10 09:52:37,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:37,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:38,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:38,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086937227] [2024-11-10 09:52:38,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086937227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:38,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:38,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:52:38,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204790371] [2024-11-10 09:52:38,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:38,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:52:38,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:38,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:52:38,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:52:38,713 INFO L87 Difference]: Start difference. First operand 490 states and 618 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:39,142 INFO L93 Difference]: Finished difference Result 988 states and 1243 transitions. [2024-11-10 09:52:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:52:39,144 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-10 09:52:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:39,147 INFO L225 Difference]: With dead ends: 988 [2024-11-10 09:52:39,147 INFO L226 Difference]: Without dead ends: 501 [2024-11-10 09:52:39,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:52:39,149 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 193 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:39,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1278 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:52:39,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-10 09:52:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 495. [2024-11-10 09:52:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 445 states have (on average 1.2224719101123596) internal successors, (544), 448 states have internal predecessors, (544), 39 states have call successors, (39), 10 states have call predecessors, (39), 10 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 09:52:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 622 transitions. [2024-11-10 09:52:39,201 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 622 transitions. Word has length 192 [2024-11-10 09:52:39,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:39,202 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 622 transitions. [2024-11-10 09:52:39,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 622 transitions. [2024-11-10 09:52:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:39,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:39,204 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:39,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 09:52:39,204 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:39,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash 270673232, now seen corresponding path program 1 times [2024-11-10 09:52:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:39,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821626584] [2024-11-10 09:52:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:39,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:39,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821626584] [2024-11-10 09:52:39,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821626584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:39,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:39,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:52:39,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755705183] [2024-11-10 09:52:39,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:39,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:52:39,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:52:39,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:52:39,346 INFO L87 Difference]: Start difference. First operand 495 states and 622 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:39,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:39,403 INFO L93 Difference]: Finished difference Result 876 states and 1102 transitions. [2024-11-10 09:52:39,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:52:39,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 192 [2024-11-10 09:52:39,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:39,406 INFO L225 Difference]: With dead ends: 876 [2024-11-10 09:52:39,406 INFO L226 Difference]: Without dead ends: 384 [2024-11-10 09:52:39,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 09:52:39,408 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:39,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 677 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:52:39,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-10 09:52:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 335. [2024-11-10 09:52:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 299 states have (on average 1.214046822742475) internal successors, (363), 300 states have internal predecessors, (363), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 09:52:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 421 transitions. [2024-11-10 09:52:39,438 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 421 transitions. Word has length 192 [2024-11-10 09:52:39,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:39,439 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 421 transitions. [2024-11-10 09:52:39,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 421 transitions. [2024-11-10 09:52:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:52:39,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:39,440 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:39,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 09:52:39,441 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:39,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:39,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1812068911, now seen corresponding path program 1 times [2024-11-10 09:52:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:39,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992412025] [2024-11-10 09:52:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:39,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:40,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992412025] [2024-11-10 09:52:40,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992412025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:40,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:40,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:40,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118015120] [2024-11-10 09:52:40,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:40,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:40,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:40,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:40,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:40,498 INFO L87 Difference]: Start difference. First operand 335 states and 421 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:40,824 INFO L93 Difference]: Finished difference Result 708 states and 888 transitions. [2024-11-10 09:52:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:40,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-10 09:52:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:40,827 INFO L225 Difference]: With dead ends: 708 [2024-11-10 09:52:40,827 INFO L226 Difference]: Without dead ends: 376 [2024-11-10 09:52:40,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 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 09:52:40,828 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 129 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:40,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 682 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:40,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-10 09:52:40,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2024-11-10 09:52:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 330 states have (on average 1.2121212121212122) internal successors, (400), 332 states have internal predecessors, (400), 33 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 09:52:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 466 transitions. [2024-11-10 09:52:40,867 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 466 transitions. Word has length 192 [2024-11-10 09:52:40,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:40,867 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 466 transitions. [2024-11-10 09:52:40,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 466 transitions. [2024-11-10 09:52:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:52:40,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:40,869 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:40,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 09:52:40,869 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:40,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:40,870 INFO L85 PathProgramCache]: Analyzing trace with hash -335661431, now seen corresponding path program 1 times [2024-11-10 09:52:40,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:40,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693388743] [2024-11-10 09:52:40,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:40,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:41,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:41,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693388743] [2024-11-10 09:52:41,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693388743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:41,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:41,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:52:41,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138391524] [2024-11-10 09:52:41,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:41,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:52:41,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:41,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:52:41,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:52:41,875 INFO L87 Difference]: Start difference. First operand 372 states and 466 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:42,556 INFO L93 Difference]: Finished difference Result 1002 states and 1263 transitions. [2024-11-10 09:52:42,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:42,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2024-11-10 09:52:42,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:42,560 INFO L225 Difference]: With dead ends: 1002 [2024-11-10 09:52:42,560 INFO L226 Difference]: Without dead ends: 633 [2024-11-10 09:52:42,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:52:42,561 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 367 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:42,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 966 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 09:52:42,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-10 09:52:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 534. [2024-11-10 09:52:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 472 states have (on average 1.194915254237288) internal successors, (564), 476 states have internal predecessors, (564), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-10 09:52:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 658 transitions. [2024-11-10 09:52:42,631 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 658 transitions. Word has length 193 [2024-11-10 09:52:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:42,632 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 658 transitions. [2024-11-10 09:52:42,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 658 transitions. [2024-11-10 09:52:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:52:42,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:42,635 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:42,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 09:52:42,635 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:42,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:42,636 INFO L85 PathProgramCache]: Analyzing trace with hash -556163113, now seen corresponding path program 1 times [2024-11-10 09:52:42,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:42,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432464946] [2024-11-10 09:52:42,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:43,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:43,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432464946] [2024-11-10 09:52:43,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432464946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:43,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:43,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:52:43,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449019875] [2024-11-10 09:52:43,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:43,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:52:43,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:43,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:52:43,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:52:43,751 INFO L87 Difference]: Start difference. First operand 534 states and 658 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:44,422 INFO L93 Difference]: Finished difference Result 1573 states and 1935 transitions. [2024-11-10 09:52:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:52:44,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2024-11-10 09:52:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:44,426 INFO L225 Difference]: With dead ends: 1573 [2024-11-10 09:52:44,426 INFO L226 Difference]: Without dead ends: 1042 [2024-11-10 09:52:44,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:52:44,427 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 149 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:44,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 983 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:52:44,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-10 09:52:44,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1007. [2024-11-10 09:52:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 893 states have (on average 1.1836506159014557) internal successors, (1057), 902 states have internal predecessors, (1057), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-10 09:52:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1227 transitions. [2024-11-10 09:52:44,555 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1227 transitions. Word has length 193 [2024-11-10 09:52:44,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:44,555 INFO L471 AbstractCegarLoop]: Abstraction has 1007 states and 1227 transitions. [2024-11-10 09:52:44,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1227 transitions. [2024-11-10 09:52:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:52:44,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:44,558 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:44,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 09:52:44,558 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:44,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:44,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1478846696, now seen corresponding path program 1 times [2024-11-10 09:52:44,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:44,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945131288] [2024-11-10 09:52:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:45,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:45,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945131288] [2024-11-10 09:52:45,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945131288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:45,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:45,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:52:45,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531542231] [2024-11-10 09:52:45,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:45,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:52:45,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:45,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:52:45,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:52:45,419 INFO L87 Difference]: Start difference. First operand 1007 states and 1227 transitions. Second operand has 9 states, 7 states have (on average 11.571428571428571) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-10 09:52:45,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:45,939 INFO L93 Difference]: Finished difference Result 2528 states and 3083 transitions. [2024-11-10 09:52:45,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:52:45,940 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.571428571428571) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 193 [2024-11-10 09:52:45,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:45,946 INFO L225 Difference]: With dead ends: 2528 [2024-11-10 09:52:45,946 INFO L226 Difference]: Without dead ends: 1524 [2024-11-10 09:52:45,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:52:45,949 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 207 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:45,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 891 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:52:45,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2024-11-10 09:52:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1510. [2024-11-10 09:52:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1346 states have (on average 1.1805349182763745) internal successors, (1589), 1360 states have internal predecessors, (1589), 121 states have call successors, (121), 42 states have call predecessors, (121), 42 states have return successors, (121), 107 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-10 09:52:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1831 transitions. [2024-11-10 09:52:46,150 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1831 transitions. Word has length 193 [2024-11-10 09:52:46,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:46,150 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 1831 transitions. [2024-11-10 09:52:46,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.571428571428571) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-10 09:52:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1831 transitions. [2024-11-10 09:52:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:52:46,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:46,154 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:46,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 09:52:46,154 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:46,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1019169241, now seen corresponding path program 1 times [2024-11-10 09:52:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:46,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392197082] [2024-11-10 09:52:46,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:46,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:46,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392197082] [2024-11-10 09:52:46,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392197082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:46,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:46,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:52:46,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508923573] [2024-11-10 09:52:46,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:46,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:52:46,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:46,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:52:46,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:52:46,784 INFO L87 Difference]: Start difference. First operand 1510 states and 1831 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:47,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:47,331 INFO L93 Difference]: Finished difference Result 3633 states and 4412 transitions. [2024-11-10 09:52:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:52:47,332 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 193 [2024-11-10 09:52:47,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:47,339 INFO L225 Difference]: With dead ends: 3633 [2024-11-10 09:52:47,339 INFO L226 Difference]: Without dead ends: 2126 [2024-11-10 09:52:47,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:52:47,342 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 140 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:47,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1350 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:47,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2024-11-10 09:52:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 1815. [2024-11-10 09:52:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1639 states have (on average 1.1708358755338621) internal successors, (1919), 1654 states have internal predecessors, (1919), 129 states have call successors, (129), 46 states have call predecessors, (129), 46 states have return successors, (129), 114 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 09:52:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2177 transitions. [2024-11-10 09:52:47,547 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2177 transitions. Word has length 193 [2024-11-10 09:52:47,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:47,548 INFO L471 AbstractCegarLoop]: Abstraction has 1815 states and 2177 transitions. [2024-11-10 09:52:47,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:52:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2177 transitions. [2024-11-10 09:52:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:52:47,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:47,551 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:47,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 09:52:47,551 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:47,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:47,552 INFO L85 PathProgramCache]: Analyzing trace with hash 880460313, now seen corresponding path program 1 times [2024-11-10 09:52:47,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:47,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486407] [2024-11-10 09:52:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:47,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:48,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:48,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486407] [2024-11-10 09:52:48,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:48,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:48,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:48,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209891134] [2024-11-10 09:52:48,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:48,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:48,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:48,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:48,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:48,378 INFO L87 Difference]: Start difference. First operand 1815 states and 2177 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:48,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:48,956 INFO L93 Difference]: Finished difference Result 4530 states and 5423 transitions. [2024-11-10 09:52:48,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:52:48,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2024-11-10 09:52:48,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:48,968 INFO L225 Difference]: With dead ends: 4530 [2024-11-10 09:52:48,968 INFO L226 Difference]: Without dead ends: 2752 [2024-11-10 09:52:48,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 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 09:52:48,972 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 142 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:48,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 604 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:52:48,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2024-11-10 09:52:49,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2741. [2024-11-10 09:52:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2466 states have (on average 1.1613949716139498) internal successors, (2864), 2491 states have internal predecessors, (2864), 199 states have call successors, (199), 75 states have call predecessors, (199), 75 states have return successors, (199), 174 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-10 09:52:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 3262 transitions. [2024-11-10 09:52:49,390 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 3262 transitions. Word has length 193 [2024-11-10 09:52:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:49,390 INFO L471 AbstractCegarLoop]: Abstraction has 2741 states and 3262 transitions. [2024-11-10 09:52:49,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3262 transitions. [2024-11-10 09:52:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 09:52:49,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:49,395 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:49,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-10 09:52:49,395 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:49,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:49,396 INFO L85 PathProgramCache]: Analyzing trace with hash 935024106, now seen corresponding path program 1 times [2024-11-10 09:52:49,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:49,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323999287] [2024-11-10 09:52:49,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:50,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:50,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323999287] [2024-11-10 09:52:50,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323999287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:50,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:50,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:52:50,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850742814] [2024-11-10 09:52:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:50,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:52:50,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:50,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:52:50,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:52:50,767 INFO L87 Difference]: Start difference. First operand 2741 states and 3262 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:52,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:52,391 INFO L93 Difference]: Finished difference Result 8009 states and 9512 transitions. [2024-11-10 09:52:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:52:52,392 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2024-11-10 09:52:52,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:52,409 INFO L225 Difference]: With dead ends: 8009 [2024-11-10 09:52:52,409 INFO L226 Difference]: Without dead ends: 5313 [2024-11-10 09:52:52,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:52:52,414 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 343 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:52,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1673 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 09:52:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5313 states. [2024-11-10 09:52:52,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5313 to 2813. [2024-11-10 09:52:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2538 states have (on average 1.1615445232466508) internal successors, (2948), 2563 states have internal predecessors, (2948), 199 states have call successors, (199), 75 states have call predecessors, (199), 75 states have return successors, (199), 174 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-10 09:52:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3346 transitions. [2024-11-10 09:52:52,748 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3346 transitions. Word has length 194 [2024-11-10 09:52:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:52,748 INFO L471 AbstractCegarLoop]: Abstraction has 2813 states and 3346 transitions. [2024-11-10 09:52:52,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3346 transitions. [2024-11-10 09:52:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 09:52:52,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:52,753 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:52,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-10 09:52:52,753 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:52,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:52,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1248652821, now seen corresponding path program 1 times [2024-11-10 09:52:52,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:52,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195220207] [2024-11-10 09:52:52,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:52,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:52:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:52:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:52:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:52:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:52:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:52:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:52:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:52:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:52:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:52:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:52:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:52:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:52:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:52:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:52:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:52:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:52:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:52:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:52:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:52:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:52:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:52:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:52:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:52:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:52:53,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:52:53,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195220207] [2024-11-10 09:52:53,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195220207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:52:53,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:52:53,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:52:53,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137746224] [2024-11-10 09:52:53,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:52:53,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:52:53,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:52:53,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:52:53,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:52:53,608 INFO L87 Difference]: Start difference. First operand 2813 states and 3346 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:54,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:52:54,055 INFO L93 Difference]: Finished difference Result 5416 states and 6449 transitions. [2024-11-10 09:52:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:52:54,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2024-11-10 09:52:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:52:54,064 INFO L225 Difference]: With dead ends: 5416 [2024-11-10 09:52:54,064 INFO L226 Difference]: Without dead ends: 2648 [2024-11-10 09:52:54,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 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 09:52:54,068 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 87 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:52:54,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 714 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:52:54,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2024-11-10 09:52:54,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2645. [2024-11-10 09:52:54,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 2370 states have (on average 1.1565400843881857) internal successors, (2741), 2395 states have internal predecessors, (2741), 199 states have call successors, (199), 75 states have call predecessors, (199), 75 states have return successors, (199), 174 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-10 09:52:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3139 transitions. [2024-11-10 09:52:54,323 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3139 transitions. Word has length 194 [2024-11-10 09:52:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:52:54,324 INFO L471 AbstractCegarLoop]: Abstraction has 2645 states and 3139 transitions. [2024-11-10 09:52:54,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 09:52:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3139 transitions. [2024-11-10 09:52:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 09:52:54,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:52:54,329 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-10 09:52:54,329 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:52:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:52:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1931162411, now seen corresponding path program 1 times [2024-11-10 09:52:54,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:52:54,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920567754] [2024-11-10 09:52:54,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:52:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:52:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat