./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.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 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:57:44,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:57:44,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:57:44,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:57:44,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:57:44,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:57:44,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:57:44,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:57:44,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:57:44,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:57:44,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:57:44,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:57:44,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:57:44,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:57:44,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:57:44,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:57:44,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:57:44,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:57:44,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:57:44,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:57:44,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:57:44,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:57:44,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:57:44,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:57:44,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:57:44,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:57:44,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:57:44,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:57:44,468 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:57:44,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:57:44,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:57:44,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:57:44,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:57:44,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:57:44,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:57:44,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:57:44,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:57:44,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:57:44,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:57:44,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:57:44,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:57:44,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:57:44,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 [2024-11-10 08:57:44,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:57:44,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:57:44,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:57:44,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:57:44,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:57:44,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-10 08:57:46,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:57:46,338 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:57:46,339 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-10 08:57:46,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b348585/16060479503048069a83784bcaeeb33f/FLAG6a3b19034 [2024-11-10 08:57:46,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b348585/16060479503048069a83784bcaeeb33f [2024-11-10 08:57:46,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:57:46,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:57:46,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:57:46,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:57:46,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:57:46,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:57:46" (1/1) ... [2024-11-10 08:57:46,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2f1cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:46, skipping insertion in model container [2024-11-10 08:57:46,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:57:46" (1/1) ... [2024-11-10 08:57:46,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:57:46,923 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_operatoramount_amount50_file-81.i[915,928] [2024-11-10 08:57:46,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:57:46,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:57:47,006 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_operatoramount_amount50_file-81.i[915,928] [2024-11-10 08:57:47,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:57:47,056 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:57:47,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47 WrapperNode [2024-11-10 08:57:47,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:57:47,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:57:47,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:57:47,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:57:47,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,152 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-10 08:57:47,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:57:47,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:57:47,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:57:47,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:57:47,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,217 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 08:57:47,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,238 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:57:47,258 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:57:47,259 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:57:47,259 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:57:47,260 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (1/1) ... [2024-11-10 08:57:47,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:57:47,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:57:47,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 08:57:47,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 08:57:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:57:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:57:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:57:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:57:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:57:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:57:47,408 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:57:47,410 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:57:47,724 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2024-11-10 08:57:47,762 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 08:57:47,765 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:57:47,791 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:57:47,791 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:57:47,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:57:47 BoogieIcfgContainer [2024-11-10 08:57:47,792 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:57:47,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:57:47,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:57:47,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:57:47,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:57:46" (1/3) ... [2024-11-10 08:57:47,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70505170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:57:47, skipping insertion in model container [2024-11-10 08:57:47,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:57:47" (2/3) ... [2024-11-10 08:57:47,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70505170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:57:47, skipping insertion in model container [2024-11-10 08:57:47,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:57:47" (3/3) ... [2024-11-10 08:57:47,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-81.i [2024-11-10 08:57:47,819 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:57:47,820 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:57:47,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:57:47,882 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;@66f52cf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:57:47,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:57:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 08:57:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 08:57:47,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:57:47,898 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:57:47,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:57:47,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:57:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2057663756, now seen corresponding path program 1 times [2024-11-10 08:57:47,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:57:47,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055507779] [2024-11-10 08:57:47,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:57:47,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:57:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:57:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:57:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:57:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:57:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:57:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:57:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:57:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:57:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:57:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:57:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:57:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:57:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:57:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:57:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:57:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:57:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:57:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:57:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:57:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:57:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:57:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:57:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:57:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:57:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:57:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:57:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:57:48,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:57:48,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055507779] [2024-11-10 08:57:48,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055507779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:57:48,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:57:48,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:57:48,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528218840] [2024-11-10 08:57:48,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:57:48,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:57:48,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:57:48,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:57:48,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:57:48,349 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:57:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:57:48,402 INFO L93 Difference]: Finished difference Result 152 states and 261 transitions. [2024-11-10 08:57:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:57:48,431 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2024-11-10 08:57:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:57:48,452 INFO L225 Difference]: With dead ends: 152 [2024-11-10 08:57:48,452 INFO L226 Difference]: Without dead ends: 75 [2024-11-10 08:57:48,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:57:48,468 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:57:48,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:57:48,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-10 08:57:48,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-10 08:57:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 08:57:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-10 08:57:48,549 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 165 [2024-11-10 08:57:48,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:57:48,550 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-10 08:57:48,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:57:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-10 08:57:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 08:57:48,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:57:48,556 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:57:48,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:57:48,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:57:48,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:57:48,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1505089108, now seen corresponding path program 1 times [2024-11-10 08:57:48,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:57:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701533320] [2024-11-10 08:57:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:57:48,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:57:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:57:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:57:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:57:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:57:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:57:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:57:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:57:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:57:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:57:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:57:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:57:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:57:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:57:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:57:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:57:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:57:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:57:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:57:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:57:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:57:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:57:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:57:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:00,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:00,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:00,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701533320] [2024-11-10 08:58:00,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701533320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:00,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:00,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 08:58:00,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139066368] [2024-11-10 08:58:00,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:00,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 08:58:00,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:00,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 08:58:00,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:58:00,027 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:01,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:01,932 INFO L93 Difference]: Finished difference Result 241 states and 352 transitions. [2024-11-10 08:58:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 08:58:01,934 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-11-10 08:58:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:01,937 INFO L225 Difference]: With dead ends: 241 [2024-11-10 08:58:01,937 INFO L226 Difference]: Without dead ends: 169 [2024-11-10 08:58:01,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-10 08:58:01,942 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 424 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:01,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 477 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 08:58:01,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-10 08:58:01,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 88. [2024-11-10 08:58:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 08:58:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 133 transitions. [2024-11-10 08:58:01,962 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 133 transitions. Word has length 165 [2024-11-10 08:58:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:01,966 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 133 transitions. [2024-11-10 08:58:01,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2024-11-10 08:58:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 08:58:01,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:01,973 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:01,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:58:01,973 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:01,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:01,974 INFO L85 PathProgramCache]: Analyzing trace with hash -291862251, now seen corresponding path program 1 times [2024-11-10 08:58:01,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:01,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062279123] [2024-11-10 08:58:01,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:01,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062279123] [2024-11-10 08:58:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062279123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:02,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:58:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235206210] [2024-11-10 08:58:02,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:58:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:58:02,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:58:02,209 INFO L87 Difference]: Start difference. First operand 88 states and 133 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:02,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:02,264 INFO L93 Difference]: Finished difference Result 207 states and 309 transitions. [2024-11-10 08:58:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:58:02,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-11-10 08:58:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:02,267 INFO L225 Difference]: With dead ends: 207 [2024-11-10 08:58:02,267 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 08:58:02,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:58:02,268 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 44 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:02,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 326 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:58:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 08:58:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2024-11-10 08:58:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 86 states have internal predecessors, (113), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 08:58:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 173 transitions. [2024-11-10 08:58:02,283 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 173 transitions. Word has length 165 [2024-11-10 08:58:02,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:02,284 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 173 transitions. [2024-11-10 08:58:02,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 173 transitions. [2024-11-10 08:58:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 08:58:02,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:02,288 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:02,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:58:02,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:02,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1634171827, now seen corresponding path program 1 times [2024-11-10 08:58:02,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:02,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929785277] [2024-11-10 08:58:02,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:09,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:09,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929785277] [2024-11-10 08:58:09,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929785277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:09,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 08:58:09,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789330190] [2024-11-10 08:58:09,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:09,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 08:58:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 08:58:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:58:09,961 INFO L87 Difference]: Start difference. First operand 118 states and 173 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:58:12,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:12,479 INFO L93 Difference]: Finished difference Result 418 states and 604 transitions. [2024-11-10 08:58:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 08:58:12,480 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2024-11-10 08:58:12,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:12,483 INFO L225 Difference]: With dead ends: 418 [2024-11-10 08:58:12,483 INFO L226 Difference]: Without dead ends: 303 [2024-11-10 08:58:12,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2024-11-10 08:58:12,485 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 458 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:12,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 631 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 08:58:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-10 08:58:12,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 169. [2024-11-10 08:58:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 109 states have (on average 1.2935779816513762) internal successors, (141), 110 states have internal predecessors, (141), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 253 transitions. [2024-11-10 08:58:12,504 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 253 transitions. Word has length 165 [2024-11-10 08:58:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:12,505 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 253 transitions. [2024-11-10 08:58:12,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:58:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 253 transitions. [2024-11-10 08:58:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 08:58:12,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:12,507 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:12,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 08:58:12,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:12,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:12,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1211686101, now seen corresponding path program 1 times [2024-11-10 08:58:12,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:12,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341120494] [2024-11-10 08:58:12,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:12,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:12,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:12,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341120494] [2024-11-10 08:58:12,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341120494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:12,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:12,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 08:58:12,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920868352] [2024-11-10 08:58:12,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:12,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 08:58:12,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:12,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 08:58:12,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 08:58:12,935 INFO L87 Difference]: Start difference. First operand 169 states and 253 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:13,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:13,276 INFO L93 Difference]: Finished difference Result 342 states and 505 transitions. [2024-11-10 08:58:13,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 08:58:13,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-11-10 08:58:13,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:13,279 INFO L225 Difference]: With dead ends: 342 [2024-11-10 08:58:13,279 INFO L226 Difference]: Without dead ends: 227 [2024-11-10 08:58:13,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-10 08:58:13,280 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 106 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:13,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 443 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:58:13,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-10 08:58:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 175. [2024-11-10 08:58:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 115 states have (on average 1.2869565217391303) internal successors, (148), 116 states have internal predecessors, (148), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 260 transitions. [2024-11-10 08:58:13,315 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 260 transitions. Word has length 165 [2024-11-10 08:58:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:13,315 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 260 transitions. [2024-11-10 08:58:13,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 260 transitions. [2024-11-10 08:58:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 08:58:13,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:13,317 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:13,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 08:58:13,317 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:13,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1153243660, now seen corresponding path program 1 times [2024-11-10 08:58:13,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:13,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545594452] [2024-11-10 08:58:13,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:13,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:22,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:22,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545594452] [2024-11-10 08:58:22,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545594452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:22,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:22,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 08:58:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6046030] [2024-11-10 08:58:22,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:22,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 08:58:22,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:22,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 08:58:22,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 08:58:22,247 INFO L87 Difference]: Start difference. First operand 175 states and 260 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:23,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:23,865 INFO L93 Difference]: Finished difference Result 363 states and 529 transitions. [2024-11-10 08:58:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 08:58:23,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-11-10 08:58:23,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:23,868 INFO L225 Difference]: With dead ends: 363 [2024-11-10 08:58:23,868 INFO L226 Difference]: Without dead ends: 248 [2024-11-10 08:58:23,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-10 08:58:23,869 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 192 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:23,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 473 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 08:58:23,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-10 08:58:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2024-11-10 08:58:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 114 states have internal predecessors, (146), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 258 transitions. [2024-11-10 08:58:23,898 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 258 transitions. Word has length 165 [2024-11-10 08:58:23,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:23,899 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 258 transitions. [2024-11-10 08:58:23,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2024-11-10 08:58:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:58:23,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:23,904 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:23,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 08:58:23,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:23,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:23,905 INFO L85 PathProgramCache]: Analyzing trace with hash -910832791, now seen corresponding path program 1 times [2024-11-10 08:58:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:23,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044129407] [2024-11-10 08:58:23,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:23,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:30,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:30,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044129407] [2024-11-10 08:58:30,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044129407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:30,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:30,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 08:58:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021802621] [2024-11-10 08:58:30,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:30,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 08:58:30,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:30,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 08:58:30,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 08:58:30,497 INFO L87 Difference]: Start difference. First operand 173 states and 258 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:32,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:32,066 INFO L93 Difference]: Finished difference Result 501 states and 718 transitions. [2024-11-10 08:58:32,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 08:58:32,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-10 08:58:32,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:32,069 INFO L225 Difference]: With dead ends: 501 [2024-11-10 08:58:32,069 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 08:58:32,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2024-11-10 08:58:32,075 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 512 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:32,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 559 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 08:58:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 08:58:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 178. [2024-11-10 08:58:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 118 states have (on average 1.305084745762712) internal successors, (154), 119 states have internal predecessors, (154), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 266 transitions. [2024-11-10 08:58:32,100 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 266 transitions. Word has length 166 [2024-11-10 08:58:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:32,101 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 266 transitions. [2024-11-10 08:58:32,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 266 transitions. [2024-11-10 08:58:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:58:32,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:32,104 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:32,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 08:58:32,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:32,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:32,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1587183146, now seen corresponding path program 1 times [2024-11-10 08:58:32,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:32,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826877405] [2024-11-10 08:58:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:37,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:37,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826877405] [2024-11-10 08:58:37,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826877405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:37,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:37,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 08:58:37,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931988318] [2024-11-10 08:58:37,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:37,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 08:58:37,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:37,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 08:58:37,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 08:58:37,884 INFO L87 Difference]: Start difference. First operand 178 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:38,447 INFO L93 Difference]: Finished difference Result 438 states and 635 transitions. [2024-11-10 08:58:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 08:58:38,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-10 08:58:38,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:38,457 INFO L225 Difference]: With dead ends: 438 [2024-11-10 08:58:38,457 INFO L226 Difference]: Without dead ends: 323 [2024-11-10 08:58:38,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:58:38,462 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 148 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:38,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 593 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 08:58:38,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-10 08:58:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 193. [2024-11-10 08:58:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 133 states have (on average 1.3233082706766917) internal successors, (176), 134 states have internal predecessors, (176), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2024-11-10 08:58:38,486 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 166 [2024-11-10 08:58:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:38,486 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2024-11-10 08:58:38,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2024-11-10 08:58:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:58:38,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:38,489 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:38,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 08:58:38,489 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:38,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash -781750072, now seen corresponding path program 1 times [2024-11-10 08:58:38,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:38,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017324153] [2024-11-10 08:58:38,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:38,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:44,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:44,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017324153] [2024-11-10 08:58:44,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017324153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:44,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:44,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 08:58:44,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742555043] [2024-11-10 08:58:44,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:44,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 08:58:44,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:44,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 08:58:44,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:58:44,443 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:58:45,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:45,960 INFO L93 Difference]: Finished difference Result 496 states and 717 transitions. [2024-11-10 08:58:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 08:58:45,961 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2024-11-10 08:58:45,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:45,965 INFO L225 Difference]: With dead ends: 496 [2024-11-10 08:58:45,965 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 08:58:45,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-10 08:58:45,967 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 647 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:45,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 487 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 08:58:45,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 08:58:45,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 194. [2024-11-10 08:58:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-10 08:58:45,985 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-10 08:58:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:45,986 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-10 08:58:45,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:58:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-10 08:58:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:58:45,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:45,987 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:45,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 08:58:45,988 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:45,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:45,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1716265865, now seen corresponding path program 1 times [2024-11-10 08:58:45,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:45,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338135832] [2024-11-10 08:58:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:45,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:51,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:51,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338135832] [2024-11-10 08:58:51,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338135832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:51,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:51,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 08:58:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001219496] [2024-11-10 08:58:51,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:51,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 08:58:51,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:51,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 08:58:51,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:58:51,218 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:58:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:53,521 INFO L93 Difference]: Finished difference Result 434 states and 633 transitions. [2024-11-10 08:58:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 08:58:53,522 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2024-11-10 08:58:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:53,524 INFO L225 Difference]: With dead ends: 434 [2024-11-10 08:58:53,524 INFO L226 Difference]: Without dead ends: 306 [2024-11-10 08:58:53,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-10 08:58:53,525 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 217 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:53,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 690 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 08:58:53,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-10 08:58:53,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 194. [2024-11-10 08:58:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-10 08:58:53,539 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-10 08:58:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:53,540 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-10 08:58:53,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 08:58:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-10 08:58:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:58:53,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:53,541 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:53,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 08:58:53,541 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:53,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash 596719018, now seen corresponding path program 1 times [2024-11-10 08:58:53,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:53,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834273124] [2024-11-10 08:58:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:58:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:58:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:58:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:58:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:58:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:58:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:58:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:58:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:58:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:58:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:58:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:58:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:58:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:58:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:58:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:58:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:58:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:58:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:58:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:58:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:58:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:58:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:58:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:58:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:58:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:58:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:58:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:58:57,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:58:57,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834273124] [2024-11-10 08:58:57,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834273124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:58:57,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:58:57,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 08:58:57,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41833413] [2024-11-10 08:58:57,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:58:57,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 08:58:57,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:58:57,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 08:58:57,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 08:58:57,910 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:58:58,484 INFO L93 Difference]: Finished difference Result 465 states and 671 transitions. [2024-11-10 08:58:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 08:58:58,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-10 08:58:58,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:58:58,486 INFO L225 Difference]: With dead ends: 465 [2024-11-10 08:58:58,487 INFO L226 Difference]: Without dead ends: 337 [2024-11-10 08:58:58,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-10 08:58:58,488 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 287 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 08:58:58,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 478 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 08:58:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-10 08:58:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 194. [2024-11-10 08:58:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:58:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-10 08:58:58,505 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-10 08:58:58,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:58:58,506 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-10 08:58:58,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:58:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-10 08:58:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:58:58,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:58:58,508 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:58:58,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 08:58:58,508 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:58:58,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:58:58,508 INFO L85 PathProgramCache]: Analyzing trace with hash 725801737, now seen corresponding path program 1 times [2024-11-10 08:58:58,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:58:58,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267307311] [2024-11-10 08:58:58,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:58:58,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:58:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:59:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:59:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:59:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:59:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:59:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:59:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:59:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:59:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:59:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:59:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:59:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:59:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:59:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:59:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:59:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:59:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:59:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:59:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:59:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:59:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:59:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:59:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:59:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:59:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:59:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:59:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:59:02,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:59:02,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267307311] [2024-11-10 08:59:02,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267307311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:59:02,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:59:02,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 08:59:02,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898636074] [2024-11-10 08:59:02,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:59:02,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 08:59:02,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:59:02,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 08:59:02,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 08:59:02,089 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:59:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:59:02,536 INFO L93 Difference]: Finished difference Result 419 states and 611 transitions. [2024-11-10 08:59:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 08:59:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-10 08:59:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:59:02,538 INFO L225 Difference]: With dead ends: 419 [2024-11-10 08:59:02,538 INFO L226 Difference]: Without dead ends: 291 [2024-11-10 08:59:02,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:59:02,539 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 203 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:59:02,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 448 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:59:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-10 08:59:02,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 190. [2024-11-10 08:59:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 130 states have (on average 1.323076923076923) internal successors, (172), 131 states have internal predecessors, (172), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 08:59:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 284 transitions. [2024-11-10 08:59:02,554 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 284 transitions. Word has length 166 [2024-11-10 08:59:02,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:59:02,554 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 284 transitions. [2024-11-10 08:59:02,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:59:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 284 transitions. [2024-11-10 08:59:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:59:02,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:59:02,555 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:59:02,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 08:59:02,556 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:59:02,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:59:02,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1421366968, now seen corresponding path program 1 times [2024-11-10 08:59:02,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:59:02,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3161501] [2024-11-10 08:59:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:59:02,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:59:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:59:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:59:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:59:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:59:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:59:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:59:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:59:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:59:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:59:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:59:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:59:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:59:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:59:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:59:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:59:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:59:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:59:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:59:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:59:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:59:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:59:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:59:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:59:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:59:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:59:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:59:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:59:02,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:59:02,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3161501] [2024-11-10 08:59:02,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3161501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:59:02,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:59:02,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:59:02,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791652807] [2024-11-10 08:59:02,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:59:02,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:59:02,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:59:02,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:59:02,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:59:02,675 INFO L87 Difference]: Start difference. First operand 190 states and 284 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:59:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:59:02,737 INFO L93 Difference]: Finished difference Result 347 states and 509 transitions. [2024-11-10 08:59:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:59:02,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-10 08:59:02,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:59:02,739 INFO L225 Difference]: With dead ends: 347 [2024-11-10 08:59:02,739 INFO L226 Difference]: Without dead ends: 218 [2024-11-10 08:59:02,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:59:02,740 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 63 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:59:02,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 329 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:59:02,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-10 08:59:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2024-11-10 08:59:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 119 states have (on average 1.319327731092437) internal successors, (157), 119 states have internal predecessors, (157), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 08:59:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 261 transitions. [2024-11-10 08:59:02,755 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 261 transitions. Word has length 166 [2024-11-10 08:59:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:59:02,755 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 261 transitions. [2024-11-10 08:59:02,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:59:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 261 transitions. [2024-11-10 08:59:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:59:02,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:59:02,756 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:59:02,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 08:59:02,757 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:59:02,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:59:02,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1076648969, now seen corresponding path program 1 times [2024-11-10 08:59:02,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:59:02,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62412563] [2024-11-10 08:59:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:59:02,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:59:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:59:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:59:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:59:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:59:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:59:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:59:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:59:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:59:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:59:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:59:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:59:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:59:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:59:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:59:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:59:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:59:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:59:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:59:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:59:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:59:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:59:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:59:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:59:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:59:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:59:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:59:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:59:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 08:59:07,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:59:07,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62412563] [2024-11-10 08:59:07,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62412563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:59:07,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:59:07,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 08:59:07,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958034514] [2024-11-10 08:59:07,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:59:07,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 08:59:07,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:59:07,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 08:59:07,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 08:59:07,973 INFO L87 Difference]: Start difference. First operand 176 states and 261 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:59:08,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:59:08,973 INFO L93 Difference]: Finished difference Result 353 states and 512 transitions. [2024-11-10 08:59:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 08:59:08,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-10 08:59:08,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:59:08,975 INFO L225 Difference]: With dead ends: 353 [2024-11-10 08:59:08,975 INFO L226 Difference]: Without dead ends: 242 [2024-11-10 08:59:08,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-10 08:59:08,976 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 159 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 08:59:08,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 586 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 08:59:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-10 08:59:08,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 178. [2024-11-10 08:59:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.322314049586777) internal successors, (160), 121 states have internal predecessors, (160), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 08:59:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 264 transitions. [2024-11-10 08:59:08,990 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 264 transitions. Word has length 166 [2024-11-10 08:59:08,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:59:08,991 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 264 transitions. [2024-11-10 08:59:08,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 08:59:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 264 transitions. [2024-11-10 08:59:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 08:59:08,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:59:08,992 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:59:08,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 08:59:08,992 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:59:08,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:59:08,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1205731688, now seen corresponding path program 1 times [2024-11-10 08:59:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:59:08,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138859484] [2024-11-10 08:59:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:59:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:59:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat