./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.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 2188f6336d1ca1c280fca67f4da63aab9226326f5793dc0ad50e5520551c6099 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:42:31,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:42:31,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:42:31,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:42:31,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:42:31,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:42:31,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:42:31,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:42:31,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:42:31,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:42:31,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:42:31,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:42:31,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:42:31,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:42:31,953 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:42:31,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:42:31,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:42:31,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:42:31,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:42:31,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:42:31,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:42:31,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:42:31,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:42:31,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:42:31,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:42:31,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:42:31,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:42:31,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:42:31,962 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:42:31,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:42:31,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:42:31,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:42:31,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:42:31,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:42:31,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:42:31,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:42:31,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:42:31,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:42:31,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:42:31,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:42:31,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:42:31,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:42:31,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2188f6336d1ca1c280fca67f4da63aab9226326f5793dc0ad50e5520551c6099 [2024-11-16 18:42:32,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:42:32,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:42:32,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:42:32,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:42:32,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:42:32,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i [2024-11-16 18:42:33,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:42:33,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:42:33,920 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i [2024-11-16 18:42:33,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4e1e0f6/cd56e38cdb48400b9dc34b94e05351bc/FLAGa2e291502 [2024-11-16 18:42:33,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4e1e0f6/cd56e38cdb48400b9dc34b94e05351bc [2024-11-16 18:42:33,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:42:33,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:42:33,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:42:33,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:42:33,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:42:33,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:42:33" (1/1) ... [2024-11-16 18:42:33,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629b42c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:33, skipping insertion in model container [2024-11-16 18:42:33,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:42:33" (1/1) ... [2024-11-16 18:42:33,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:42:34,169 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-27.i[916,929] [2024-11-16 18:42:34,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:42:34,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:42:34,266 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-27.i[916,929] [2024-11-16 18:42:34,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:42:34,328 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:42:34,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34 WrapperNode [2024-11-16 18:42:34,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:42:34,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:42:34,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:42:34,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:42:34,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,396 INFO L138 Inliner]: procedures = 27, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2024-11-16 18:42:34,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:42:34,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:42:34,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:42:34,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:42:34,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,448 INFO L175 MemorySlicer]: Split 124 memory accesses to 2 slices as follows [2, 122]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 29 writes are split as follows [0, 29]. [2024-11-16 18:42:34,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:42:34,481 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:42:34,482 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:42:34,482 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:42:34,482 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (1/1) ... [2024-11-16 18:42:34,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:42:34,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:42:34,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:42:34,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:42:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:42:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 18:42:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 18:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 18:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 18:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 18:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 18:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:42:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:42:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:42:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 18:42:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:42:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:42:34,688 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:42:34,690 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:42:35,071 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L112: havoc property_#t~mem67#1;havoc property_#t~ite80#1;havoc property_#t~mem76#1;havoc property_#t~mem75#1;havoc property_#t~mem68#1;havoc property_#t~mem69#1;havoc property_#t~mem70#1;havoc property_#t~ite74#1;havoc property_#t~mem71#1;havoc property_#t~mem72#1;havoc property_#t~mem73#1;havoc property_#t~mem79#1;havoc property_#t~mem77#1;havoc property_#t~mem78#1;havoc property_#t~mem82#1;havoc property_#t~mem81#1;havoc property_#t~short83#1;havoc property_#t~ite87#1;havoc property_#t~mem86#1;havoc property_#t~mem84#1;havoc property_#t~mem85#1;havoc property_#t~short88#1;havoc property_#t~mem89#1;havoc property_#t~mem90#1;havoc property_#t~ite100#1;havoc property_#t~mem95#1;havoc property_#t~mem94#1;havoc property_#t~mem91#1;havoc property_#t~ite93#1;havoc property_#t~mem92#1;havoc property_#t~mem96#1;havoc property_#t~ite99#1;havoc property_#t~mem98#1;havoc property_#t~mem97#1;havoc property_#t~short101#1;havoc property_#t~mem102#1;havoc property_#t~ite120#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~ite111#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~ite117#1;havoc property_#t~mem114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem116#1;havoc property_#t~mem115#1;havoc property_#t~mem119#1;havoc property_#t~mem118#1;havoc property_#t~short121#1; [2024-11-16 18:42:35,116 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-16 18:42:35,116 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:42:35,136 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:42:35,137 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:42:35,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:35 BoogieIcfgContainer [2024-11-16 18:42:35,138 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:42:35,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:42:35,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:42:35,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:42:35,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:42:33" (1/3) ... [2024-11-16 18:42:35,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2209b204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:42:35, skipping insertion in model container [2024-11-16 18:42:35,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:34" (2/3) ... [2024-11-16 18:42:35,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2209b204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:42:35, skipping insertion in model container [2024-11-16 18:42:35,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:35" (3/3) ... [2024-11-16 18:42:35,148 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-27.i [2024-11-16 18:42:35,165 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:42:35,165 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:42:35,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:42:35,232 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;@2b17562e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:42:35,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:42:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 78 states have internal predecessors, (105), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 18:42:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 18:42:35,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:35,253 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:35,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:35,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1777384463, now seen corresponding path program 1 times [2024-11-16 18:42:35,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:35,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833196488] [2024-11-16 18:42:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833196488] [2024-11-16 18:42:35,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833196488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:35,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:35,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:42:35,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3432057] [2024-11-16 18:42:35,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:35,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:42:35,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:35,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:42:35,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:42:35,797 INFO L87 Difference]: Start difference. First operand has 97 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 78 states have internal predecessors, (105), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:35,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:35,840 INFO L93 Difference]: Finished difference Result 186 states and 288 transitions. [2024-11-16 18:42:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:42:35,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2024-11-16 18:42:35,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:35,854 INFO L225 Difference]: With dead ends: 186 [2024-11-16 18:42:35,855 INFO L226 Difference]: Without dead ends: 92 [2024-11-16 18:42:35,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:42:35,864 INFO L432 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:35,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-16 18:42:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-16 18:42:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 73 states have internal predecessors, (97), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 18:42:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2024-11-16 18:42:35,926 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 133 [2024-11-16 18:42:35,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:35,929 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2024-11-16 18:42:35,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2024-11-16 18:42:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 18:42:35,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:35,935 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:35,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:42:35,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:35,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash 370270880, now seen corresponding path program 1 times [2024-11-16 18:42:35,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:35,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777929782] [2024-11-16 18:42:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777929782] [2024-11-16 18:42:37,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777929782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:37,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:37,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:37,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316451384] [2024-11-16 18:42:37,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:37,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:37,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:37,352 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:37,795 INFO L93 Difference]: Finished difference Result 250 states and 357 transitions. [2024-11-16 18:42:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2024-11-16 18:42:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:37,800 INFO L225 Difference]: With dead ends: 250 [2024-11-16 18:42:37,802 INFO L226 Difference]: Without dead ends: 161 [2024-11-16 18:42:37,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:37,805 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 87 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:37,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 332 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:37,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-16 18:42:37,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2024-11-16 18:42:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 130 states have internal predecessors, (175), 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) [2024-11-16 18:42:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 225 transitions. [2024-11-16 18:42:37,836 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 225 transitions. Word has length 133 [2024-11-16 18:42:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:37,837 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 225 transitions. [2024-11-16 18:42:37,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2024-11-16 18:42:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 18:42:37,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:37,842 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:37,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:42:37,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:37,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash -38553345, now seen corresponding path program 1 times [2024-11-16 18:42:37,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:37,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534823269] [2024-11-16 18:42:37,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:38,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:38,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534823269] [2024-11-16 18:42:38,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534823269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:38,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:38,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:42:38,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901607110] [2024-11-16 18:42:38,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:38,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:42:38,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:38,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:42:38,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:42:38,768 INFO L87 Difference]: Start difference. First operand 157 states and 225 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:38,993 INFO L93 Difference]: Finished difference Result 465 states and 669 transitions. [2024-11-16 18:42:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:42:38,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 133 [2024-11-16 18:42:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:38,998 INFO L225 Difference]: With dead ends: 465 [2024-11-16 18:42:39,000 INFO L226 Difference]: Without dead ends: 311 [2024-11-16 18:42:39,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:42:39,002 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 78 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:39,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 314 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:42:39,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-16 18:42:39,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 304. [2024-11-16 18:42:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 249 states have (on average 1.3534136546184738) internal successors, (337), 251 states have internal predecessors, (337), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 18:42:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 437 transitions. [2024-11-16 18:42:39,058 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 437 transitions. Word has length 133 [2024-11-16 18:42:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:39,058 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 437 transitions. [2024-11-16 18:42:39,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 437 transitions. [2024-11-16 18:42:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 18:42:39,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:39,064 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:39,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:42:39,064 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:39,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:39,065 INFO L85 PathProgramCache]: Analyzing trace with hash 303264127, now seen corresponding path program 1 times [2024-11-16 18:42:39,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:39,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108470398] [2024-11-16 18:42:39,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:39,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:40,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:40,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108470398] [2024-11-16 18:42:40,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108470398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:40,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:40,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:42:40,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234746420] [2024-11-16 18:42:40,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:40,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:42:40,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:40,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:42:40,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:40,512 INFO L87 Difference]: Start difference. First operand 304 states and 437 transitions. Second operand has 7 states, 5 states have (on average 10.2) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:42:40,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:40,873 INFO L93 Difference]: Finished difference Result 553 states and 791 transitions. [2024-11-16 18:42:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:42:40,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 10.2) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2024-11-16 18:42:40,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:40,878 INFO L225 Difference]: With dead ends: 553 [2024-11-16 18:42:40,878 INFO L226 Difference]: Without dead ends: 399 [2024-11-16 18:42:40,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:42:40,882 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 57 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:40,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 650 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:42:40,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-16 18:42:40,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2024-11-16 18:42:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 333 states have (on average 1.3663663663663663) internal successors, (455), 337 states have internal predecessors, (455), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 50 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 563 transitions. [2024-11-16 18:42:40,921 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 563 transitions. Word has length 133 [2024-11-16 18:42:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:40,923 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 563 transitions. [2024-11-16 18:42:40,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 10.2) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:42:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 563 transitions. [2024-11-16 18:42:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-16 18:42:40,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:40,926 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:40,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:42:40,927 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:40,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:40,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2107456929, now seen corresponding path program 1 times [2024-11-16 18:42:40,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:40,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259925285] [2024-11-16 18:42:40,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:40,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:41,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:41,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259925285] [2024-11-16 18:42:41,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259925285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:41,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:41,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:42:41,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842630882] [2024-11-16 18:42:41,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:41,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:42:41,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:41,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:42:41,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:42:41,682 INFO L87 Difference]: Start difference. First operand 394 states and 563 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:41,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:41,892 INFO L93 Difference]: Finished difference Result 792 states and 1131 transitions. [2024-11-16 18:42:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:42:41,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-16 18:42:41,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:41,896 INFO L225 Difference]: With dead ends: 792 [2024-11-16 18:42:41,896 INFO L226 Difference]: Without dead ends: 401 [2024-11-16 18:42:41,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:42:41,898 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 71 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:41,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 309 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:42:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-16 18:42:41,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2024-11-16 18:42:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 333 states have (on average 1.3603603603603605) internal successors, (453), 337 states have internal predecessors, (453), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 50 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 561 transitions. [2024-11-16 18:42:41,921 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 561 transitions. Word has length 135 [2024-11-16 18:42:41,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:41,922 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 561 transitions. [2024-11-16 18:42:41,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 561 transitions. [2024-11-16 18:42:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-16 18:42:41,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:41,926 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:41,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:42:41,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:41,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:41,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1268479714, now seen corresponding path program 1 times [2024-11-16 18:42:41,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:41,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727288099] [2024-11-16 18:42:41,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:42,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:42,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727288099] [2024-11-16 18:42:42,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727288099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:42,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:42,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:42,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803625106] [2024-11-16 18:42:42,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:42,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:42,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:42,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:42,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:42,369 INFO L87 Difference]: Start difference. First operand 394 states and 561 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:42,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:42,834 INFO L93 Difference]: Finished difference Result 780 states and 1113 transitions. [2024-11-16 18:42:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:42:42,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-16 18:42:42,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:42,838 INFO L225 Difference]: With dead ends: 780 [2024-11-16 18:42:42,839 INFO L226 Difference]: Without dead ends: 536 [2024-11-16 18:42:42,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:42:42,840 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 105 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:42,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 617 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:42,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-16 18:42:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 529. [2024-11-16 18:42:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 441 states have (on average 1.3492063492063493) internal successors, (595), 446 states have internal predecessors, (595), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 74 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-16 18:42:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 753 transitions. [2024-11-16 18:42:42,871 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 753 transitions. Word has length 135 [2024-11-16 18:42:42,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:42,873 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 753 transitions. [2024-11-16 18:42:42,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 753 transitions. [2024-11-16 18:42:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-16 18:42:42,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:42,875 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:42,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 18:42:42,876 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:42,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash -118434271, now seen corresponding path program 1 times [2024-11-16 18:42:42,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:42,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521710503] [2024-11-16 18:42:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:42,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:43,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:43,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521710503] [2024-11-16 18:42:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521710503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:43,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:43,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:43,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910435033] [2024-11-16 18:42:43,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:43,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:43,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:43,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:43,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:43,538 INFO L87 Difference]: Start difference. First operand 529 states and 753 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:43,966 INFO L93 Difference]: Finished difference Result 873 states and 1239 transitions. [2024-11-16 18:42:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:42:43,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-16 18:42:43,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:43,971 INFO L225 Difference]: With dead ends: 873 [2024-11-16 18:42:43,971 INFO L226 Difference]: Without dead ends: 462 [2024-11-16 18:42:43,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:42:43,973 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 108 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:43,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 412 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:43,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-16 18:42:43,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 308. [2024-11-16 18:42:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 251 states have (on average 1.3107569721115537) internal successors, (329), 253 states have internal predecessors, (329), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 18:42:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 429 transitions. [2024-11-16 18:42:43,998 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 429 transitions. Word has length 135 [2024-11-16 18:42:43,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:43,999 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 429 transitions. [2024-11-16 18:42:43,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 429 transitions. [2024-11-16 18:42:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 18:42:44,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:44,002 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:44,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 18:42:44,002 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:44,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:44,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1319829074, now seen corresponding path program 1 times [2024-11-16 18:42:44,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:44,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863050575] [2024-11-16 18:42:44,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:44,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:44,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:44,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863050575] [2024-11-16 18:42:44,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863050575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:44,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:44,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347586669] [2024-11-16 18:42:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:44,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:44,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:44,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:44,685 INFO L87 Difference]: Start difference. First operand 308 states and 429 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:45,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:45,090 INFO L93 Difference]: Finished difference Result 754 states and 1041 transitions. [2024-11-16 18:42:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:45,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-16 18:42:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:45,093 INFO L225 Difference]: With dead ends: 754 [2024-11-16 18:42:45,093 INFO L226 Difference]: Without dead ends: 449 [2024-11-16 18:42:45,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:45,096 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 80 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:45,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 563 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:45,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-16 18:42:45,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 218. [2024-11-16 18:42:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 178 states have (on average 1.2921348314606742) internal successors, (230), 178 states have internal predecessors, (230), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 18:42:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 298 transitions. [2024-11-16 18:42:45,118 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 298 transitions. Word has length 136 [2024-11-16 18:42:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:45,119 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 298 transitions. [2024-11-16 18:42:45,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 298 transitions. [2024-11-16 18:42:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:45,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:45,120 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:45,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 18:42:45,121 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:45,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:45,121 INFO L85 PathProgramCache]: Analyzing trace with hash -160761299, now seen corresponding path program 1 times [2024-11-16 18:42:45,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:45,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816033369] [2024-11-16 18:42:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:46,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:46,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816033369] [2024-11-16 18:42:46,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816033369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:46,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:46,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:42:46,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294386539] [2024-11-16 18:42:46,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:46,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:42:46,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:46,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:42:46,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:42:46,234 INFO L87 Difference]: Start difference. First operand 218 states and 298 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:46,752 INFO L93 Difference]: Finished difference Result 543 states and 739 transitions. [2024-11-16 18:42:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:42:46,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-16 18:42:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:46,755 INFO L225 Difference]: With dead ends: 543 [2024-11-16 18:42:46,755 INFO L226 Difference]: Without dead ends: 328 [2024-11-16 18:42:46,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:42:46,758 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 160 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:46,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 632 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-16 18:42:46,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 279. [2024-11-16 18:42:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 236 states have (on average 1.3093220338983051) internal successors, (309), 237 states have internal predecessors, (309), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 18:42:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 381 transitions. [2024-11-16 18:42:46,780 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 381 transitions. Word has length 137 [2024-11-16 18:42:46,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:46,781 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 381 transitions. [2024-11-16 18:42:46,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 381 transitions. [2024-11-16 18:42:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:46,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:46,783 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:46,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 18:42:46,784 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:46,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1005233170, now seen corresponding path program 1 times [2024-11-16 18:42:46,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:46,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061407242] [2024-11-16 18:42:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:46,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:47,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:47,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:48,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:48,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061407242] [2024-11-16 18:42:48,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061407242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:48,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:48,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:42:48,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283777263] [2024-11-16 18:42:48,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:48,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:42:48,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:48,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:42:48,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:48,025 INFO L87 Difference]: Start difference. First operand 279 states and 381 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:48,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:48,377 INFO L93 Difference]: Finished difference Result 752 states and 1024 transitions. [2024-11-16 18:42:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:42:48,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-16 18:42:48,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:48,383 INFO L225 Difference]: With dead ends: 752 [2024-11-16 18:42:48,384 INFO L226 Difference]: Without dead ends: 476 [2024-11-16 18:42:48,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:42:48,385 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 59 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:48,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 515 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:42:48,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-16 18:42:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 356. [2024-11-16 18:42:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 313 states have (on average 1.3099041533546325) internal successors, (410), 314 states have internal predecessors, (410), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 18:42:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 482 transitions. [2024-11-16 18:42:48,408 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 482 transitions. Word has length 137 [2024-11-16 18:42:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:48,408 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 482 transitions. [2024-11-16 18:42:48,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 482 transitions. [2024-11-16 18:42:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:48,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:48,410 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:48,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 18:42:48,411 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:48,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash -69025148, now seen corresponding path program 1 times [2024-11-16 18:42:48,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:48,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515958025] [2024-11-16 18:42:48,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:48,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:49,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:49,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515958025] [2024-11-16 18:42:49,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515958025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:49,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:49,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:49,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126917756] [2024-11-16 18:42:49,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:49,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:49,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:49,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:49,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:49,477 INFO L87 Difference]: Start difference. First operand 356 states and 482 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:49,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:49,800 INFO L93 Difference]: Finished difference Result 836 states and 1131 transitions. [2024-11-16 18:42:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:49,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-16 18:42:49,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:49,803 INFO L225 Difference]: With dead ends: 836 [2024-11-16 18:42:49,803 INFO L226 Difference]: Without dead ends: 483 [2024-11-16 18:42:49,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:49,806 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 53 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:49,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 459 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:42:49,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-16 18:42:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 384. [2024-11-16 18:42:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 341 states have (on average 1.3079178885630498) internal successors, (446), 342 states have internal predecessors, (446), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 18:42:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 518 transitions. [2024-11-16 18:42:49,826 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 518 transitions. Word has length 137 [2024-11-16 18:42:49,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:49,826 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 518 transitions. [2024-11-16 18:42:49,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2024-11-16 18:42:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:49,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:49,828 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:49,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 18:42:49,829 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:49,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:49,829 INFO L85 PathProgramCache]: Analyzing trace with hash 224377859, now seen corresponding path program 1 times [2024-11-16 18:42:49,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:49,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252337546] [2024-11-16 18:42:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:51,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252337546] [2024-11-16 18:42:51,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252337546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:51,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:51,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:42:51,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632033516] [2024-11-16 18:42:51,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:51,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:42:51,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:51,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:42:51,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:42:51,110 INFO L87 Difference]: Start difference. First operand 384 states and 518 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:51,668 INFO L93 Difference]: Finished difference Result 804 states and 1086 transitions. [2024-11-16 18:42:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:42:51,668 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-16 18:42:51,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:51,671 INFO L225 Difference]: With dead ends: 804 [2024-11-16 18:42:51,671 INFO L226 Difference]: Without dead ends: 423 [2024-11-16 18:42:51,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:42:51,672 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 44 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:51,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 987 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 18:42:51,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-16 18:42:51,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 390. [2024-11-16 18:42:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 347 states have (on average 1.302593659942363) internal successors, (452), 348 states have internal predecessors, (452), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 18:42:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 524 transitions. [2024-11-16 18:42:51,693 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 524 transitions. Word has length 137 [2024-11-16 18:42:51,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:51,694 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 524 transitions. [2024-11-16 18:42:51,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:51,694 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 524 transitions. [2024-11-16 18:42:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:51,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:51,696 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:51,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 18:42:51,696 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:51,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:51,697 INFO L85 PathProgramCache]: Analyzing trace with hash 142325765, now seen corresponding path program 1 times [2024-11-16 18:42:51,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:51,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409533707] [2024-11-16 18:42:51,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:52,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409533707] [2024-11-16 18:42:52,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409533707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:52,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:52,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:42:52,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439676169] [2024-11-16 18:42:52,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:52,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:42:52,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:52,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:42:52,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:42:52,699 INFO L87 Difference]: Start difference. First operand 390 states and 524 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:53,218 INFO L93 Difference]: Finished difference Result 822 states and 1105 transitions. [2024-11-16 18:42:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:42:53,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-16 18:42:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:53,222 INFO L225 Difference]: With dead ends: 822 [2024-11-16 18:42:53,222 INFO L226 Difference]: Without dead ends: 435 [2024-11-16 18:42:53,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-16 18:42:53,224 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 51 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:53,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 884 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-16 18:42:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 393. [2024-11-16 18:42:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 350 states have (on average 1.3) internal successors, (455), 351 states have internal predecessors, (455), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 18:42:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 527 transitions. [2024-11-16 18:42:53,250 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 527 transitions. Word has length 137 [2024-11-16 18:42:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:53,250 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 527 transitions. [2024-11-16 18:42:53,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:53,251 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 527 transitions. [2024-11-16 18:42:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:53,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:53,254 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:53,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 18:42:53,254 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:53,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:53,254 INFO L85 PathProgramCache]: Analyzing trace with hash 435728772, now seen corresponding path program 1 times [2024-11-16 18:42:53,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:53,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904484256] [2024-11-16 18:42:53,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:54,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904484256] [2024-11-16 18:42:54,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904484256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:54,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:54,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:54,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939430228] [2024-11-16 18:42:54,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:54,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:54,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:54,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:54,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:54,177 INFO L87 Difference]: Start difference. First operand 393 states and 527 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:54,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:54,485 INFO L93 Difference]: Finished difference Result 825 states and 1102 transitions. [2024-11-16 18:42:54,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:54,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-16 18:42:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:54,488 INFO L225 Difference]: With dead ends: 825 [2024-11-16 18:42:54,489 INFO L226 Difference]: Without dead ends: 435 [2024-11-16 18:42:54,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:54,490 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 54 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:54,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 526 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:42:54,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-16 18:42:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 334. [2024-11-16 18:42:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 293 states have (on average 1.2798634812286689) internal successors, (375), 293 states have internal predecessors, (375), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 18:42:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 443 transitions. [2024-11-16 18:42:54,510 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 443 transitions. Word has length 137 [2024-11-16 18:42:54,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:54,510 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 443 transitions. [2024-11-16 18:42:54,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 443 transitions. [2024-11-16 18:42:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:54,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:54,512 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:54,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 18:42:54,512 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:54,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:54,512 INFO L85 PathProgramCache]: Analyzing trace with hash -43619153, now seen corresponding path program 1 times [2024-11-16 18:42:54,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:54,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527396244] [2024-11-16 18:42:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:54,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:54,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:54,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527396244] [2024-11-16 18:42:54,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527396244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:54,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:54,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:54,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35583663] [2024-11-16 18:42:54,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:54,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:54,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:54,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:54,999 INFO L87 Difference]: Start difference. First operand 334 states and 443 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:55,331 INFO L93 Difference]: Finished difference Result 780 states and 1029 transitions. [2024-11-16 18:42:55,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:55,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-16 18:42:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:55,335 INFO L225 Difference]: With dead ends: 780 [2024-11-16 18:42:55,335 INFO L226 Difference]: Without dead ends: 449 [2024-11-16 18:42:55,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:55,337 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 136 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:55,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 453 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:42:55,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-16 18:42:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 444. [2024-11-16 18:42:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 377 states have (on average 1.259946949602122) internal successors, (475), 379 states have internal predecessors, (475), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 583 transitions. [2024-11-16 18:42:55,365 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 583 transitions. Word has length 137 [2024-11-16 18:42:55,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:55,365 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 583 transitions. [2024-11-16 18:42:55,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 583 transitions. [2024-11-16 18:42:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:42:55,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:55,368 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:55,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 18:42:55,368 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:55,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:55,369 INFO L85 PathProgramCache]: Analyzing trace with hash 85463566, now seen corresponding path program 1 times [2024-11-16 18:42:55,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:55,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663961419] [2024-11-16 18:42:55,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:55,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:55,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663961419] [2024-11-16 18:42:55,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663961419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:55,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:55,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:55,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188313803] [2024-11-16 18:42:55,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:55,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:55,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:55,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:55,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:55,872 INFO L87 Difference]: Start difference. First operand 444 states and 583 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:56,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:56,182 INFO L93 Difference]: Finished difference Result 994 states and 1302 transitions. [2024-11-16 18:42:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-16 18:42:56,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:56,186 INFO L225 Difference]: With dead ends: 994 [2024-11-16 18:42:56,186 INFO L226 Difference]: Without dead ends: 553 [2024-11-16 18:42:56,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:56,189 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 131 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:56,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 277 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:42:56,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-16 18:42:56,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 454. [2024-11-16 18:42:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 387 states have (on average 1.2454780361757105) internal successors, (482), 389 states have internal predecessors, (482), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 590 transitions. [2024-11-16 18:42:56,221 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 590 transitions. Word has length 137 [2024-11-16 18:42:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:56,223 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 590 transitions. [2024-11-16 18:42:56,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:42:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 590 transitions. [2024-11-16 18:42:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:42:56,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:56,225 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:56,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 18:42:56,225 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:56,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:56,225 INFO L85 PathProgramCache]: Analyzing trace with hash -259791146, now seen corresponding path program 1 times [2024-11-16 18:42:56,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:56,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018485363] [2024-11-16 18:42:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:56,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:56,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:56,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018485363] [2024-11-16 18:42:56,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018485363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:56,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:56,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:42:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300981730] [2024-11-16 18:42:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:56,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:42:56,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:56,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:42:56,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:42:56,418 INFO L87 Difference]: Start difference. First operand 454 states and 590 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:56,624 INFO L93 Difference]: Finished difference Result 1004 states and 1305 transitions. [2024-11-16 18:42:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:42:56,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:42:56,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:56,628 INFO L225 Difference]: With dead ends: 1004 [2024-11-16 18:42:56,628 INFO L226 Difference]: Without dead ends: 553 [2024-11-16 18:42:56,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:56,630 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 93 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:56,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 268 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:42:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-16 18:42:56,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 466. [2024-11-16 18:42:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 399 states have (on average 1.2431077694235588) internal successors, (496), 401 states have internal predecessors, (496), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 604 transitions. [2024-11-16 18:42:56,661 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 604 transitions. Word has length 141 [2024-11-16 18:42:56,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:56,662 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 604 transitions. [2024-11-16 18:42:56,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 604 transitions. [2024-11-16 18:42:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:42:56,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:56,664 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:56,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 18:42:56,664 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:56,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:56,664 INFO L85 PathProgramCache]: Analyzing trace with hash -456304651, now seen corresponding path program 1 times [2024-11-16 18:42:56,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:56,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126343734] [2024-11-16 18:42:56,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:56,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:56,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126343734] [2024-11-16 18:42:56,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126343734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:56,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:56,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:56,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836126352] [2024-11-16 18:42:56,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:56,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:56,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:56,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:56,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:56,822 INFO L87 Difference]: Start difference. First operand 466 states and 604 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:56,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:56,870 INFO L93 Difference]: Finished difference Result 943 states and 1223 transitions. [2024-11-16 18:42:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:56,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:42:56,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:56,874 INFO L225 Difference]: With dead ends: 943 [2024-11-16 18:42:56,874 INFO L226 Difference]: Without dead ends: 480 [2024-11-16 18:42:56,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:56,875 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:56,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-16 18:42:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2024-11-16 18:42:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 413 states have (on average 1.234866828087167) internal successors, (510), 415 states have internal predecessors, (510), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 618 transitions. [2024-11-16 18:42:56,903 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 618 transitions. Word has length 141 [2024-11-16 18:42:56,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:56,903 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 618 transitions. [2024-11-16 18:42:56,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 618 transitions. [2024-11-16 18:42:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:42:56,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:56,905 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:56,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 18:42:56,906 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:56,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:56,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2058984274, now seen corresponding path program 1 times [2024-11-16 18:42:56,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:56,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012073646] [2024-11-16 18:42:56,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:56,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-16 18:42:57,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:57,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012073646] [2024-11-16 18:42:57,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012073646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 18:42:57,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043238458] [2024-11-16 18:42:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:57,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:42:57,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:42:57,405 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) [2024-11-16 18:42:57,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 18:42:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-16 18:42:57,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:57,764 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 21 treesize of output 21 [2024-11-16 18:42:57,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:42:57,795 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 45 treesize of output 42 [2024-11-16 18:42:57,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:42:57,844 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 60 treesize of output 47 [2024-11-16 18:42:57,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:42:57,917 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 59 treesize of output 19 [2024-11-16 18:42:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-16 18:42:58,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:42:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:58,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043238458] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 18:42:58,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-16 18:42:58,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7, 13] total 19 [2024-11-16 18:42:58,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366478914] [2024-11-16 18:42:58,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:58,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:42:58,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:42:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2024-11-16 18:42:58,210 INFO L87 Difference]: Start difference. First operand 480 states and 618 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:58,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:58,705 INFO L93 Difference]: Finished difference Result 1236 states and 1584 transitions. [2024-11-16 18:42:58,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:42:58,706 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:42:58,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:58,710 INFO L225 Difference]: With dead ends: 1236 [2024-11-16 18:42:58,710 INFO L226 Difference]: Without dead ends: 759 [2024-11-16 18:42:58,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-16 18:42:58,712 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 53 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:58,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 916 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:58,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-16 18:42:58,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 624. [2024-11-16 18:42:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 557 states have (on average 1.251346499102334) internal successors, (697), 559 states have internal predecessors, (697), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 18:42:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 805 transitions. [2024-11-16 18:42:58,744 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 805 transitions. Word has length 141 [2024-11-16 18:42:58,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:58,745 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 805 transitions. [2024-11-16 18:42:58,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 805 transitions. [2024-11-16 18:42:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:42:58,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:58,747 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:58,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 18:42:58,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:42:58,948 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:58,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:58,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1862470769, now seen corresponding path program 1 times [2024-11-16 18:42:58,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:58,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411899596] [2024-11-16 18:42:58,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:58,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:42:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:42:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:42:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:42:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:42:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:42:59,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:59,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411899596] [2024-11-16 18:42:59,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411899596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:59,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:59,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:42:59,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634949225] [2024-11-16 18:42:59,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:59,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:42:59,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:42:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:42:59,563 INFO L87 Difference]: Start difference. First operand 624 states and 805 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:59,842 INFO L93 Difference]: Finished difference Result 1390 states and 1779 transitions. [2024-11-16 18:42:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:42:59,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:42:59,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:59,846 INFO L225 Difference]: With dead ends: 1390 [2024-11-16 18:42:59,846 INFO L226 Difference]: Without dead ends: 769 [2024-11-16 18:42:59,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:59,848 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 52 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:59,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 407 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:42:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-16 18:42:59,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 762. [2024-11-16 18:42:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 671 states have (on average 1.232488822652757) internal successors, (827), 677 states have internal predecessors, (827), 70 states have call successors, (70), 20 states have call predecessors, (70), 20 states have return successors, (70), 64 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-16 18:42:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 967 transitions. [2024-11-16 18:42:59,914 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 967 transitions. Word has length 141 [2024-11-16 18:42:59,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:59,915 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 967 transitions. [2024-11-16 18:42:59,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:42:59,915 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 967 transitions. [2024-11-16 18:42:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:42:59,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:59,917 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:59,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 18:42:59,918 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:59,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:59,918 INFO L85 PathProgramCache]: Analyzing trace with hash 559483248, now seen corresponding path program 1 times [2024-11-16 18:42:59,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:59,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705942031] [2024-11-16 18:42:59,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:59,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:00,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:00,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705942031] [2024-11-16 18:43:00,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705942031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:00,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:00,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:43:00,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665684396] [2024-11-16 18:43:00,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:00,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:43:00,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:00,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:43:00,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:43:00,926 INFO L87 Difference]: Start difference. First operand 762 states and 967 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:01,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:01,633 INFO L93 Difference]: Finished difference Result 1938 states and 2449 transitions. [2024-11-16 18:43:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:43:01,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:43:01,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:01,638 INFO L225 Difference]: With dead ends: 1938 [2024-11-16 18:43:01,639 INFO L226 Difference]: Without dead ends: 1179 [2024-11-16 18:43:01,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-16 18:43:01,641 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 297 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:01,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 783 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 18:43:01,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-11-16 18:43:01,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 820. [2024-11-16 18:43:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 729 states have (on average 1.2373113854595337) internal successors, (902), 735 states have internal predecessors, (902), 70 states have call successors, (70), 20 states have call predecessors, (70), 20 states have return successors, (70), 64 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-16 18:43:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1042 transitions. [2024-11-16 18:43:01,699 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1042 transitions. Word has length 141 [2024-11-16 18:43:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:01,700 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1042 transitions. [2024-11-16 18:43:01,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1042 transitions. [2024-11-16 18:43:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:43:01,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:01,702 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:01,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 18:43:01,703 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:01,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:01,703 INFO L85 PathProgramCache]: Analyzing trace with hash 362969743, now seen corresponding path program 1 times [2024-11-16 18:43:01,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:01,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528848248] [2024-11-16 18:43:01,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:01,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:02,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:02,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528848248] [2024-11-16 18:43:02,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528848248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:02,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:02,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:43:02,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122510542] [2024-11-16 18:43:02,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:02,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:43:02,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:02,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:43:02,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:43:02,757 INFO L87 Difference]: Start difference. First operand 820 states and 1042 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:03,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:03,290 INFO L93 Difference]: Finished difference Result 1974 states and 2503 transitions. [2024-11-16 18:43:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:43:03,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:43:03,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:03,296 INFO L225 Difference]: With dead ends: 1974 [2024-11-16 18:43:03,296 INFO L226 Difference]: Without dead ends: 1157 [2024-11-16 18:43:03,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-16 18:43:03,298 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 51 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:03,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1024 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:43:03,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-16 18:43:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 959. [2024-11-16 18:43:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 868 states have (on average 1.2476958525345623) internal successors, (1083), 874 states have internal predecessors, (1083), 70 states have call successors, (70), 20 states have call predecessors, (70), 20 states have return successors, (70), 64 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-16 18:43:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1223 transitions. [2024-11-16 18:43:03,353 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1223 transitions. Word has length 141 [2024-11-16 18:43:03,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:03,353 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1223 transitions. [2024-11-16 18:43:03,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1223 transitions. [2024-11-16 18:43:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:43:03,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:03,356 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:03,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 18:43:03,356 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:03,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1804247729, now seen corresponding path program 1 times [2024-11-16 18:43:03,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:03,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967626955] [2024-11-16 18:43:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:03,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:03,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:03,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967626955] [2024-11-16 18:43:03,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967626955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:03,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:03,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:43:03,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711664346] [2024-11-16 18:43:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:03,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:43:03,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:03,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:43:03,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:43:03,852 INFO L87 Difference]: Start difference. First operand 959 states and 1223 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:04,182 INFO L93 Difference]: Finished difference Result 2149 states and 2720 transitions. [2024-11-16 18:43:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:43:04,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:43:04,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:04,191 INFO L225 Difference]: With dead ends: 2149 [2024-11-16 18:43:04,192 INFO L226 Difference]: Without dead ends: 1193 [2024-11-16 18:43:04,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:04,195 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 54 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:04,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 422 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-16 18:43:04,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 912. [2024-11-16 18:43:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 821 states have (on average 1.243605359317905) internal successors, (1021), 827 states have internal predecessors, (1021), 70 states have call successors, (70), 20 states have call predecessors, (70), 20 states have return successors, (70), 64 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-16 18:43:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1161 transitions. [2024-11-16 18:43:04,276 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1161 transitions. Word has length 141 [2024-11-16 18:43:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:04,277 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1161 transitions. [2024-11-16 18:43:04,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1161 transitions. [2024-11-16 18:43:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:43:04,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:04,279 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:04,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 18:43:04,280 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:04,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:04,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1040968725, now seen corresponding path program 1 times [2024-11-16 18:43:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:04,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662231323] [2024-11-16 18:43:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:04,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:05,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:05,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662231323] [2024-11-16 18:43:05,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662231323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:05,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:05,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:43:05,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627124610] [2024-11-16 18:43:05,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:05,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:43:05,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:05,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:43:05,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:43:05,502 INFO L87 Difference]: Start difference. First operand 912 states and 1161 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:06,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:06,398 INFO L93 Difference]: Finished difference Result 2023 states and 2562 transitions. [2024-11-16 18:43:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 18:43:06,399 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2024-11-16 18:43:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:06,404 INFO L225 Difference]: With dead ends: 2023 [2024-11-16 18:43:06,404 INFO L226 Difference]: Without dead ends: 1114 [2024-11-16 18:43:06,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:43:06,406 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 316 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:06,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 448 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 18:43:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-16 18:43:06,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 982. [2024-11-16 18:43:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 873 states have (on average 1.2348224513172967) internal successors, (1078), 880 states have internal predecessors, (1078), 82 states have call successors, (82), 26 states have call predecessors, (82), 26 states have return successors, (82), 75 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-16 18:43:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1242 transitions. [2024-11-16 18:43:06,473 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1242 transitions. Word has length 141 [2024-11-16 18:43:06,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:06,473 INFO L471 AbstractCegarLoop]: Abstraction has 982 states and 1242 transitions. [2024-11-16 18:43:06,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1242 transitions. [2024-11-16 18:43:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:43:06,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:06,475 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:06,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 18:43:06,476 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:06,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:06,477 INFO L85 PathProgramCache]: Analyzing trace with hash 424688974, now seen corresponding path program 1 times [2024-11-16 18:43:06,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:06,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595889471] [2024-11-16 18:43:06,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:06,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:06,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:06,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595889471] [2024-11-16 18:43:06,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595889471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:06,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:06,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:43:06,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776524536] [2024-11-16 18:43:06,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:06,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:43:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:06,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:43:06,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:06,809 INFO L87 Difference]: Start difference. First operand 982 states and 1242 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:07,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:07,108 INFO L93 Difference]: Finished difference Result 2080 states and 2629 transitions. [2024-11-16 18:43:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:43:07,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:43:07,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:07,115 INFO L225 Difference]: With dead ends: 2080 [2024-11-16 18:43:07,115 INFO L226 Difference]: Without dead ends: 1119 [2024-11-16 18:43:07,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:43:07,121 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 59 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:07,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 789 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:07,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-16 18:43:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1012. [2024-11-16 18:43:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 903 states have (on average 1.2380952380952381) internal successors, (1118), 910 states have internal predecessors, (1118), 82 states have call successors, (82), 26 states have call predecessors, (82), 26 states have return successors, (82), 75 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-16 18:43:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1282 transitions. [2024-11-16 18:43:07,192 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1282 transitions. Word has length 141 [2024-11-16 18:43:07,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:07,193 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1282 transitions. [2024-11-16 18:43:07,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1282 transitions. [2024-11-16 18:43:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 18:43:07,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:07,195 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:07,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 18:43:07,195 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:07,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1327252173, now seen corresponding path program 1 times [2024-11-16 18:43:07,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:07,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305232725] [2024-11-16 18:43:07,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:08,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:08,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305232725] [2024-11-16 18:43:08,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305232725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:08,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:08,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:43:08,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967431583] [2024-11-16 18:43:08,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:08,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:43:08,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:08,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:43:08,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:08,159 INFO L87 Difference]: Start difference. First operand 1012 states and 1282 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:43:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:09,113 INFO L93 Difference]: Finished difference Result 2008 states and 2537 transitions. [2024-11-16 18:43:09,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:43:09,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 142 [2024-11-16 18:43:09,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:09,119 INFO L225 Difference]: With dead ends: 2008 [2024-11-16 18:43:09,120 INFO L226 Difference]: Without dead ends: 1017 [2024-11-16 18:43:09,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:43:09,122 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 165 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:09,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 287 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 18:43:09,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2024-11-16 18:43:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 990. [2024-11-16 18:43:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 877 states have (on average 1.2223489167616877) internal successors, (1072), 884 states have internal predecessors, (1072), 82 states have call successors, (82), 30 states have call predecessors, (82), 30 states have return successors, (82), 75 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-16 18:43:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1236 transitions. [2024-11-16 18:43:09,204 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1236 transitions. Word has length 142 [2024-11-16 18:43:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:09,205 INFO L471 AbstractCegarLoop]: Abstraction has 990 states and 1236 transitions. [2024-11-16 18:43:09,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:43:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1236 transitions. [2024-11-16 18:43:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 18:43:09,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:09,207 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:09,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 18:43:09,207 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:09,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:09,208 INFO L85 PathProgramCache]: Analyzing trace with hash -114558566, now seen corresponding path program 1 times [2024-11-16 18:43:09,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:09,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068375268] [2024-11-16 18:43:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:09,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:09,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:09,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068375268] [2024-11-16 18:43:09,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068375268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:09,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:09,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:43:09,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788161378] [2024-11-16 18:43:09,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:09,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:43:09,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:09,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:43:09,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:43:09,893 INFO L87 Difference]: Start difference. First operand 990 states and 1236 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:10,425 INFO L93 Difference]: Finished difference Result 1588 states and 1934 transitions. [2024-11-16 18:43:10,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:43:10,425 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-16 18:43:10,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:10,432 INFO L225 Difference]: With dead ends: 1588 [2024-11-16 18:43:10,433 INFO L226 Difference]: Without dead ends: 1585 [2024-11-16 18:43:10,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:43:10,434 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 69 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:10,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 856 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:43:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2024-11-16 18:43:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1580. [2024-11-16 18:43:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1367 states have (on average 1.179224579370885) internal successors, (1612), 1382 states have internal predecessors, (1612), 154 states have call successors, (154), 58 states have call predecessors, (154), 58 states have return successors, (154), 139 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 1920 transitions. [2024-11-16 18:43:10,589 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 1920 transitions. Word has length 143 [2024-11-16 18:43:10,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:10,590 INFO L471 AbstractCegarLoop]: Abstraction has 1580 states and 1920 transitions. [2024-11-16 18:43:10,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1920 transitions. [2024-11-16 18:43:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 18:43:10,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:10,592 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:10,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 18:43:10,593 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:10,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:10,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1883123754, now seen corresponding path program 1 times [2024-11-16 18:43:10,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:10,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758996417] [2024-11-16 18:43:10,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:10,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:11,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758996417] [2024-11-16 18:43:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758996417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:11,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:11,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:43:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618818795] [2024-11-16 18:43:11,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:11,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:43:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:11,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:43:11,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:11,191 INFO L87 Difference]: Start difference. First operand 1580 states and 1920 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:11,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:11,696 INFO L93 Difference]: Finished difference Result 3391 states and 4116 transitions. [2024-11-16 18:43:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:43:11,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-16 18:43:11,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:11,704 INFO L225 Difference]: With dead ends: 3391 [2024-11-16 18:43:11,704 INFO L226 Difference]: Without dead ends: 1716 [2024-11-16 18:43:11,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:11,708 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 72 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:11,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 511 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:43:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2024-11-16 18:43:11,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1517. [2024-11-16 18:43:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1304 states have (on average 1.1641104294478528) internal successors, (1518), 1319 states have internal predecessors, (1518), 154 states have call successors, (154), 58 states have call predecessors, (154), 58 states have return successors, (154), 139 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1826 transitions. [2024-11-16 18:43:11,873 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1826 transitions. Word has length 143 [2024-11-16 18:43:11,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:11,874 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 1826 transitions. [2024-11-16 18:43:11,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1826 transitions. [2024-11-16 18:43:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 18:43:11,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:11,877 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:11,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 18:43:11,877 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:11,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:11,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1285688470, now seen corresponding path program 1 times [2024-11-16 18:43:11,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:11,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987693219] [2024-11-16 18:43:11,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:11,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:12,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:12,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987693219] [2024-11-16 18:43:12,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987693219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:12,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:12,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:43:12,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561808317] [2024-11-16 18:43:12,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:12,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:43:12,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:12,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:43:12,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:43:12,074 INFO L87 Difference]: Start difference. First operand 1517 states and 1826 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:12,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:12,419 INFO L93 Difference]: Finished difference Result 3212 states and 3863 transitions. [2024-11-16 18:43:12,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:43:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-16 18:43:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:12,430 INFO L225 Difference]: With dead ends: 3212 [2024-11-16 18:43:12,431 INFO L226 Difference]: Without dead ends: 1716 [2024-11-16 18:43:12,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:12,435 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 46 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:12,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 447 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2024-11-16 18:43:12,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1567. [2024-11-16 18:43:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1354 states have (on average 1.1610044313146233) internal successors, (1572), 1369 states have internal predecessors, (1572), 154 states have call successors, (154), 58 states have call predecessors, (154), 58 states have return successors, (154), 139 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 1880 transitions. [2024-11-16 18:43:12,619 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 1880 transitions. Word has length 143 [2024-11-16 18:43:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:12,619 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 1880 transitions. [2024-11-16 18:43:12,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1880 transitions. [2024-11-16 18:43:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 18:43:12,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:12,622 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:12,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 18:43:12,623 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash -175830313, now seen corresponding path program 1 times [2024-11-16 18:43:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691074985] [2024-11-16 18:43:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:13,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:13,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691074985] [2024-11-16 18:43:13,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691074985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:13,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:13,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:43:13,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470215308] [2024-11-16 18:43:13,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:13,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:43:13,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:13,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:43:13,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:13,199 INFO L87 Difference]: Start difference. First operand 1567 states and 1880 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:13,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:13,540 INFO L93 Difference]: Finished difference Result 2733 states and 3284 transitions. [2024-11-16 18:43:13,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:43:13,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2024-11-16 18:43:13,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:13,548 INFO L225 Difference]: With dead ends: 2733 [2024-11-16 18:43:13,548 INFO L226 Difference]: Without dead ends: 1187 [2024-11-16 18:43:13,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:13,552 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 137 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:13,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 287 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:13,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-16 18:43:13,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1149. [2024-11-16 18:43:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 988 states have (on average 1.145748987854251) internal successors, (1132), 998 states have internal predecessors, (1132), 118 states have call successors, (118), 42 states have call predecessors, (118), 42 states have return successors, (118), 108 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-16 18:43:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1368 transitions. [2024-11-16 18:43:13,670 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1368 transitions. Word has length 144 [2024-11-16 18:43:13,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:13,671 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1368 transitions. [2024-11-16 18:43:13,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1368 transitions. [2024-11-16 18:43:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 18:43:13,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:13,673 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:13,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 18:43:13,673 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:13,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1098319026, now seen corresponding path program 1 times [2024-11-16 18:43:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:13,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701234317] [2024-11-16 18:43:13,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:14,287 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:14,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:14,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701234317] [2024-11-16 18:43:14,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701234317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:14,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:14,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:43:14,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284728116] [2024-11-16 18:43:14,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:14,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:43:14,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:43:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:14,289 INFO L87 Difference]: Start difference. First operand 1149 states and 1368 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:14,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:14,715 INFO L93 Difference]: Finished difference Result 2306 states and 2736 transitions. [2024-11-16 18:43:14,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:43:14,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-16 18:43:14,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:14,722 INFO L225 Difference]: With dead ends: 2306 [2024-11-16 18:43:14,722 INFO L226 Difference]: Without dead ends: 1160 [2024-11-16 18:43:14,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:14,725 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 53 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:14,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 413 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:43:14,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-16 18:43:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1125. [2024-11-16 18:43:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 964 states have (on average 1.1317427385892116) internal successors, (1091), 974 states have internal predecessors, (1091), 118 states have call successors, (118), 42 states have call predecessors, (118), 42 states have return successors, (118), 108 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-16 18:43:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1327 transitions. [2024-11-16 18:43:14,840 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1327 transitions. Word has length 144 [2024-11-16 18:43:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:14,840 INFO L471 AbstractCegarLoop]: Abstraction has 1125 states and 1327 transitions. [2024-11-16 18:43:14,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1327 transitions. [2024-11-16 18:43:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 18:43:14,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:14,843 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:14,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 18:43:14,843 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:14,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:14,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1877714157, now seen corresponding path program 1 times [2024-11-16 18:43:14,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:14,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018996311] [2024-11-16 18:43:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:15,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:15,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018996311] [2024-11-16 18:43:15,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018996311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:15,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:15,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:43:15,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761519392] [2024-11-16 18:43:15,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:15,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:43:15,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:15,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:43:15,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:15,241 INFO L87 Difference]: Start difference. First operand 1125 states and 1327 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:15,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:15,566 INFO L93 Difference]: Finished difference Result 2228 states and 2624 transitions. [2024-11-16 18:43:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:43:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-11-16 18:43:15,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:15,571 INFO L225 Difference]: With dead ends: 2228 [2024-11-16 18:43:15,571 INFO L226 Difference]: Without dead ends: 1106 [2024-11-16 18:43:15,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:15,574 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 136 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:15,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 451 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-16 18:43:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1064. [2024-11-16 18:43:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 903 states have (on average 1.1251384274640088) internal successors, (1016), 913 states have internal predecessors, (1016), 118 states have call successors, (118), 42 states have call predecessors, (118), 42 states have return successors, (118), 108 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-16 18:43:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1252 transitions. [2024-11-16 18:43:15,682 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1252 transitions. Word has length 145 [2024-11-16 18:43:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:15,683 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1252 transitions. [2024-11-16 18:43:15,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1252 transitions. [2024-11-16 18:43:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:15,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:15,685 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:15,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 18:43:15,685 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:15,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash 199882481, now seen corresponding path program 1 times [2024-11-16 18:43:15,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:15,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602138222] [2024-11-16 18:43:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:15,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:16,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:16,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602138222] [2024-11-16 18:43:16,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602138222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:16,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:16,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 18:43:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439999672] [2024-11-16 18:43:16,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:16,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 18:43:16,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 18:43:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:43:16,850 INFO L87 Difference]: Start difference. First operand 1064 states and 1252 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:17,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:17,524 INFO L93 Difference]: Finished difference Result 2291 states and 2693 transitions. [2024-11-16 18:43:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:43:17,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-16 18:43:17,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:17,531 INFO L225 Difference]: With dead ends: 2291 [2024-11-16 18:43:17,531 INFO L226 Difference]: Without dead ends: 1230 [2024-11-16 18:43:17,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:43:17,534 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 144 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:17,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 786 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 18:43:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-16 18:43:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1082. [2024-11-16 18:43:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 921 states have (on average 1.1248642779587406) internal successors, (1036), 931 states have internal predecessors, (1036), 118 states have call successors, (118), 42 states have call predecessors, (118), 42 states have return successors, (118), 108 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-16 18:43:17,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1272 transitions. [2024-11-16 18:43:17,649 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1272 transitions. Word has length 146 [2024-11-16 18:43:17,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:17,649 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1272 transitions. [2024-11-16 18:43:17,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1272 transitions. [2024-11-16 18:43:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:17,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:17,651 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:17,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 18:43:17,651 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:17,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:17,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1607571982, now seen corresponding path program 1 times [2024-11-16 18:43:17,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:17,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89422428] [2024-11-16 18:43:17,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:17,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:17,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:17,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89422428] [2024-11-16 18:43:17,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89422428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:17,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:17,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:43:17,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376061710] [2024-11-16 18:43:17,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:17,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:43:17,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:17,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:43:17,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:43:17,857 INFO L87 Difference]: Start difference. First operand 1082 states and 1272 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:18,124 INFO L93 Difference]: Finished difference Result 2138 states and 2498 transitions. [2024-11-16 18:43:18,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:43:18,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-16 18:43:18,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:18,130 INFO L225 Difference]: With dead ends: 2138 [2024-11-16 18:43:18,130 INFO L226 Difference]: Without dead ends: 1059 [2024-11-16 18:43:18,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:18,133 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 63 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:18,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 283 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:43:18,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-11-16 18:43:18,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1014. [2024-11-16 18:43:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 853 states have (on average 1.0949589683470105) internal successors, (934), 863 states have internal predecessors, (934), 118 states have call successors, (118), 42 states have call predecessors, (118), 42 states have return successors, (118), 108 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-16 18:43:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1170 transitions. [2024-11-16 18:43:18,261 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1170 transitions. Word has length 146 [2024-11-16 18:43:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:18,261 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1170 transitions. [2024-11-16 18:43:18,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:43:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1170 transitions. [2024-11-16 18:43:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:18,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:18,264 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:18,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 18:43:18,265 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:18,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2058014091, now seen corresponding path program 1 times [2024-11-16 18:43:18,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:18,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851643381] [2024-11-16 18:43:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:19,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:19,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851643381] [2024-11-16 18:43:19,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851643381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:19,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 18:43:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769230719] [2024-11-16 18:43:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:19,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 18:43:19,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:19,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 18:43:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:43:19,507 INFO L87 Difference]: Start difference. First operand 1014 states and 1170 transitions. Second operand has 12 states, 10 states have (on average 6.4) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:43:20,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:20,348 INFO L93 Difference]: Finished difference Result 1317 states and 1511 transitions. [2024-11-16 18:43:20,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 18:43:20,348 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.4) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) Word has length 146 [2024-11-16 18:43:20,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:20,355 INFO L225 Difference]: With dead ends: 1317 [2024-11-16 18:43:20,355 INFO L226 Difference]: Without dead ends: 1314 [2024-11-16 18:43:20,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:43:20,356 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 61 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:20,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1271 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 18:43:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2024-11-16 18:43:20,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1309. [2024-11-16 18:43:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1098 states have (on average 1.0865209471766848) internal successors, (1193), 1112 states have internal predecessors, (1193), 154 states have call successors, (154), 56 states have call predecessors, (154), 56 states have return successors, (154), 140 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1501 transitions. [2024-11-16 18:43:20,526 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1501 transitions. Word has length 146 [2024-11-16 18:43:20,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:20,526 INFO L471 AbstractCegarLoop]: Abstraction has 1309 states and 1501 transitions. [2024-11-16 18:43:20,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.4) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:43:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1501 transitions. [2024-11-16 18:43:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:20,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:20,529 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:20,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 18:43:20,529 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:20,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:20,529 INFO L85 PathProgramCache]: Analyzing trace with hash -315203756, now seen corresponding path program 1 times [2024-11-16 18:43:20,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:20,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747506973] [2024-11-16 18:43:20,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:22,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:22,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747506973] [2024-11-16 18:43:22,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747506973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:22,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:22,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 18:43:22,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640041224] [2024-11-16 18:43:22,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:22,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 18:43:22,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:22,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 18:43:22,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:43:22,735 INFO L87 Difference]: Start difference. First operand 1309 states and 1501 transitions. Second operand has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:43:24,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:24,464 INFO L93 Difference]: Finished difference Result 2891 states and 3305 transitions. [2024-11-16 18:43:24,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:43:24,465 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) Word has length 146 [2024-11-16 18:43:24,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:24,473 INFO L225 Difference]: With dead ends: 2891 [2024-11-16 18:43:24,474 INFO L226 Difference]: Without dead ends: 1585 [2024-11-16 18:43:24,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:43:24,477 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 38 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:24,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 803 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 18:43:24,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2024-11-16 18:43:24,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1431. [2024-11-16 18:43:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1220 states have (on average 1.089344262295082) internal successors, (1329), 1234 states have internal predecessors, (1329), 154 states have call successors, (154), 56 states have call predecessors, (154), 56 states have return successors, (154), 140 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1637 transitions. [2024-11-16 18:43:24,654 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1637 transitions. Word has length 146 [2024-11-16 18:43:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:24,654 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 1637 transitions. [2024-11-16 18:43:24,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 18:43:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1637 transitions. [2024-11-16 18:43:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:24,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:24,657 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:24,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 18:43:24,657 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:24,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2122658219, now seen corresponding path program 1 times [2024-11-16 18:43:24,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:24,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737852923] [2024-11-16 18:43:24,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:24,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:25,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:25,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737852923] [2024-11-16 18:43:25,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737852923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:25,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:25,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:43:25,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117011772] [2024-11-16 18:43:25,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:25,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:43:25,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:25,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:43:25,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:25,722 INFO L87 Difference]: Start difference. First operand 1431 states and 1637 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:26,082 INFO L93 Difference]: Finished difference Result 3436 states and 3882 transitions. [2024-11-16 18:43:26,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:43:26,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-16 18:43:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:26,092 INFO L225 Difference]: With dead ends: 3436 [2024-11-16 18:43:26,093 INFO L226 Difference]: Without dead ends: 2008 [2024-11-16 18:43:26,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:26,097 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 37 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:26,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 447 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:26,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2024-11-16 18:43:26,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1525. [2024-11-16 18:43:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1314 states have (on average 1.0814307458143075) internal successors, (1421), 1328 states have internal predecessors, (1421), 154 states have call successors, (154), 56 states have call predecessors, (154), 56 states have return successors, (154), 140 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1729 transitions. [2024-11-16 18:43:26,256 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1729 transitions. Word has length 146 [2024-11-16 18:43:26,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:26,256 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1729 transitions. [2024-11-16 18:43:26,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1729 transitions. [2024-11-16 18:43:26,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:26,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:26,259 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:26,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 18:43:26,259 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:26,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:26,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2026994284, now seen corresponding path program 1 times [2024-11-16 18:43:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:26,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209644708] [2024-11-16 18:43:26,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:28,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:28,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209644708] [2024-11-16 18:43:28,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209644708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:28,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:28,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 18:43:28,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29795103] [2024-11-16 18:43:28,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:28,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 18:43:28,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:28,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 18:43:28,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:43:28,351 INFO L87 Difference]: Start difference. First operand 1525 states and 1729 transitions. Second operand has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 14 states have internal predecessors, (64), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:43:30,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:30,226 INFO L93 Difference]: Finished difference Result 3157 states and 3577 transitions. [2024-11-16 18:43:30,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 18:43:30,227 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 14 states have internal predecessors, (64), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 4 states have call successors, (17) Word has length 146 [2024-11-16 18:43:30,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:30,233 INFO L225 Difference]: With dead ends: 3157 [2024-11-16 18:43:30,234 INFO L226 Difference]: Without dead ends: 1635 [2024-11-16 18:43:30,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-16 18:43:30,243 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 107 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:30,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 885 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 18:43:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-16 18:43:30,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1529. [2024-11-16 18:43:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1318 states have (on average 1.0811836115326252) internal successors, (1425), 1332 states have internal predecessors, (1425), 154 states have call successors, (154), 56 states have call predecessors, (154), 56 states have return successors, (154), 140 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-16 18:43:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1733 transitions. [2024-11-16 18:43:30,416 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1733 transitions. Word has length 146 [2024-11-16 18:43:30,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:30,417 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1733 transitions. [2024-11-16 18:43:30,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 14 states have internal predecessors, (64), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:43:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1733 transitions. [2024-11-16 18:43:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:30,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:30,419 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:30,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 18:43:30,420 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:30,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:30,420 INFO L85 PathProgramCache]: Analyzing trace with hash -284183949, now seen corresponding path program 1 times [2024-11-16 18:43:30,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:30,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285396632] [2024-11-16 18:43:30,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:31,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:31,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285396632] [2024-11-16 18:43:31,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285396632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:31,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:31,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:43:31,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943568151] [2024-11-16 18:43:31,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:31,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:43:31,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:31,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:43:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:43:31,025 INFO L87 Difference]: Start difference. First operand 1529 states and 1733 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:31,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:31,456 INFO L93 Difference]: Finished difference Result 1607 states and 1819 transitions. [2024-11-16 18:43:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 18:43:31,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-16 18:43:31,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:31,461 INFO L225 Difference]: With dead ends: 1607 [2024-11-16 18:43:31,462 INFO L226 Difference]: Without dead ends: 1604 [2024-11-16 18:43:31,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:43:31,463 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 61 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:31,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1143 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:43:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-16 18:43:31,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1419. [2024-11-16 18:43:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1240 states have (on average 1.0830645161290322) internal successors, (1343), 1251 states have internal predecessors, (1343), 130 states have call successors, (130), 48 states have call predecessors, (130), 48 states have return successors, (130), 119 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-16 18:43:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1603 transitions. [2024-11-16 18:43:31,612 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1603 transitions. Word has length 146 [2024-11-16 18:43:31,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:31,613 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 1603 transitions. [2024-11-16 18:43:31,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1603 transitions. [2024-11-16 18:43:31,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:31,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:31,616 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:31,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 18:43:31,616 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:31,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:31,616 INFO L85 PathProgramCache]: Analyzing trace with hash 377897941, now seen corresponding path program 1 times [2024-11-16 18:43:31,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:31,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374062398] [2024-11-16 18:43:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:43:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:43:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:43:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:43:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:43:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:43:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:43:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:43:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:43:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:43:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:43:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:43:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:43:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:43:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:43:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:43:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:43:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:43:32,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:43:32,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374062398] [2024-11-16 18:43:32,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374062398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:43:32,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:43:32,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:43:32,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253071871] [2024-11-16 18:43:32,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:32,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:43:32,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:43:32,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:43:32,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:43:32,420 INFO L87 Difference]: Start difference. First operand 1419 states and 1603 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:32,753 INFO L93 Difference]: Finished difference Result 3201 states and 3578 transitions. [2024-11-16 18:43:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:43:32,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-16 18:43:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:32,759 INFO L225 Difference]: With dead ends: 3201 [2024-11-16 18:43:32,760 INFO L226 Difference]: Without dead ends: 1827 [2024-11-16 18:43:32,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:43:32,762 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 35 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:32,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 464 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:43:32,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-16 18:43:32,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1407. [2024-11-16 18:43:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1228 states have (on average 1.0773615635179152) internal successors, (1323), 1239 states have internal predecessors, (1323), 130 states have call successors, (130), 48 states have call predecessors, (130), 48 states have return successors, (130), 119 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-16 18:43:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 1583 transitions. [2024-11-16 18:43:32,915 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 1583 transitions. Word has length 146 [2024-11-16 18:43:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:32,915 INFO L471 AbstractCegarLoop]: Abstraction has 1407 states and 1583 transitions. [2024-11-16 18:43:32,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:43:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1583 transitions. [2024-11-16 18:43:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:43:32,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:32,917 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:43:32,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-16 18:43:32,917 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:32,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:32,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1429556522, now seen corresponding path program 1 times [2024-11-16 18:43:32,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:43:32,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825048785] [2024-11-16 18:43:32,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:43:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat