./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_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 1035d962e39280c92969b9f7066ecadbc22a9f715d97d0ee182811f942c88e9b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:08:32,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:08:32,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:08:32,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:08:32,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:08:32,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:08:32,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:08:32,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:08:32,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:08:32,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:08:32,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:08:32,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:08:32,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:08:32,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:08:32,193 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:08:32,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:08:32,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:08:32,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:08:32,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:08:32,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:08:32,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:08:32,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:08:32,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:08:32,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:08:32,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:08:32,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:08:32,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:08:32,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:08:32,197 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:08:32,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:08:32,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:08:32,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:08:32,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:08:32,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:08:32,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:08:32,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:08:32,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:08:32,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:08:32,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:08:32,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:08:32,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:08:32,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:08:32,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1035d962e39280c92969b9f7066ecadbc22a9f715d97d0ee182811f942c88e9b [2024-11-16 12:08:32,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:08:32,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:08:32,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:08:32,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:08:32,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:08:32,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i [2024-11-16 12:08:33,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:08:34,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:08:34,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-81.i [2024-11-16 12:08:34,035 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e0a1e87/88bb37e623894c078280c0c768f58f63/FLAG12da2be5a [2024-11-16 12:08:34,047 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e0a1e87/88bb37e623894c078280c0c768f58f63 [2024-11-16 12:08:34,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:08:34,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:08:34,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:08:34,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:08:34,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:08:34,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dada65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34, skipping insertion in model container [2024-11-16 12:08:34,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:08:34,240 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_codestructure_dependencies_file-81.i[919,932] [2024-11-16 12:08:34,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:08:34,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:08:34,303 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_codestructure_dependencies_file-81.i[919,932] [2024-11-16 12:08:34,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:08:34,349 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:08:34,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34 WrapperNode [2024-11-16 12:08:34,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:08:34,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:08:34,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:08:34,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:08:34,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,417 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-11-16 12:08:34,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:08:34,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:08:34,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:08:34,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:08:34,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,497 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]. [2024-11-16 12:08:34,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,509 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:08:34,527 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:08:34,527 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:08:34,527 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:08:34,528 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (1/1) ... [2024-11-16 12:08:34,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:08:34,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:08:34,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 12:08:34,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 12:08:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:08:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:08:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:08:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:08:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:08:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:08:34,685 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:08:34,687 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:08:34,992 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2024-11-16 12:08:35,027 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 12:08:35,028 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:08:35,057 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:08:35,058 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:08:35,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:08:35 BoogieIcfgContainer [2024-11-16 12:08:35,059 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:08:35,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:08:35,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:08:35,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:08:35,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:08:34" (1/3) ... [2024-11-16 12:08:35,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1171a8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:08:35, skipping insertion in model container [2024-11-16 12:08:35,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:08:34" (2/3) ... [2024-11-16 12:08:35,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1171a8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:08:35, skipping insertion in model container [2024-11-16 12:08:35,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:08:35" (3/3) ... [2024-11-16 12:08:35,070 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-81.i [2024-11-16 12:08:35,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:08:35,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:08:35,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:08:35,152 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;@67ed7b56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:08:35,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:08:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.36) internal successors, (68), 51 states have internal predecessors, (68), 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) [2024-11-16 12:08:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 12:08:35,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:08:35,177 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] [2024-11-16 12:08:35,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:08:35,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:08:35,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1382574185, now seen corresponding path program 1 times [2024-11-16 12:08:35,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:08:35,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950050727] [2024-11-16 12:08:35,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:08:35,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:08:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:08:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:08:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:08:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:08:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:08:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:08:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:08:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:08:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:08:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:08:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:08:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:08:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:08:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:08:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:08:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:08:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:08:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:08:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:08:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:08:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:08:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:08:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:08:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:08:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:08:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:08:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:08:35,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:08:35,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950050727] [2024-11-16 12:08:35,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950050727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:08:35,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:08:35,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:08:35,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306778376] [2024-11-16 12:08:35,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:08:35,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:08:35,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:08:35,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:08:35,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:08:35,754 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.36) internal successors, (68), 51 states have internal predecessors, (68), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-11-16 12:08:35,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:08:35,796 INFO L93 Difference]: Finished difference Result 150 states and 259 transitions. [2024-11-16 12:08:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:08:35,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 164 [2024-11-16 12:08:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:08:35,853 INFO L225 Difference]: With dead ends: 150 [2024-11-16 12:08:35,854 INFO L226 Difference]: Without dead ends: 74 [2024-11-16 12:08:35,861 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 [2024-11-16 12:08:35,868 INFO L432 NwaCegarLoop]: 110 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, 110 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 [2024-11-16 12:08:35,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:08:35,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-16 12:08:35,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-16 12:08:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 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) [2024-11-16 12:08:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2024-11-16 12:08:35,926 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 164 [2024-11-16 12:08:35,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:08:35,926 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2024-11-16 12:08:35,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-11-16 12:08:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2024-11-16 12:08:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 12:08:35,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:08:35,933 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] [2024-11-16 12:08:35,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:08:35,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:08:35,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:08:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1774596361, now seen corresponding path program 1 times [2024-11-16 12:08:35,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:08:35,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871078918] [2024-11-16 12:08:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:08:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:08:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:08:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:08:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:08:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:08:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:08:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:08:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:08:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:08:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:08:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:08:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:08:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:08:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:08:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:08:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:08:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:08:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:08:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:08:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:08:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:08:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:08:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:08:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:08:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:08:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:08:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:08:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:08:43,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:08:43,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871078918] [2024-11-16 12:08:43,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871078918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:08:43,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:08:43,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:08:43,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335367891] [2024-11-16 12:08:43,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:08:43,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:08:43,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:08:43,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:08:43,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:08:43,727 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2024-11-16 12:08:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:08:45,017 INFO L93 Difference]: Finished difference Result 289 states and 432 transitions. [2024-11-16 12:08:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 12:08:45,017 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 164 [2024-11-16 12:08:45,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:08:45,023 INFO L225 Difference]: With dead ends: 289 [2024-11-16 12:08:45,024 INFO L226 Difference]: Without dead ends: 218 [2024-11-16 12:08:45,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-16 12:08:45,027 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 432 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:08:45,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 529 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:08:45,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-16 12:08:45,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 142. [2024-11-16 12:08:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 87 states have internal predecessors, (113), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:08:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2024-11-16 12:08:45,057 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 164 [2024-11-16 12:08:45,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:08:45,057 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2024-11-16 12:08:45,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2024-11-16 12:08:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2024-11-16 12:08:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 12:08:45,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:08:45,060 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] [2024-11-16 12:08:45,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:08:45,061 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:08:45,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:08:45,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1903679080, now seen corresponding path program 1 times [2024-11-16 12:08:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:08:45,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695898448] [2024-11-16 12:08:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:08:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:08:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:08:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:08:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:08:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:08:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:08:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:08:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:08:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:08:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:08:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:08:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:08:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:08:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:08:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:08:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:08:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:08:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:08:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:08:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:08:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:08:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:08:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:08:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:08:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:08:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:08:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:08:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:08:52,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:08:52,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695898448] [2024-11-16 12:08:52,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695898448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:08:52,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:08:52,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:08:52,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361460373] [2024-11-16 12:08:52,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:08:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:08:52,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:08:52,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:08:52,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:08:52,013 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2024-11-16 12:08:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:08:53,208 INFO L93 Difference]: Finished difference Result 254 states and 382 transitions. [2024-11-16 12:08:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:08:53,208 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 164 [2024-11-16 12:08:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:08:53,211 INFO L225 Difference]: With dead ends: 254 [2024-11-16 12:08:53,211 INFO L226 Difference]: Without dead ends: 183 [2024-11-16 12:08:53,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-16 12:08:53,212 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 198 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:08:53,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 450 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:08:53,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-16 12:08:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 133. [2024-11-16 12:08:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:08:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2024-11-16 12:08:53,229 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 164 [2024-11-16 12:08:53,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:08:53,229 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2024-11-16 12:08:53,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2024-11-16 12:08:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2024-11-16 12:08:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:08:53,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:08:53,231 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] [2024-11-16 12:08:53,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:08:53,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:08:53,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:08:53,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2104099283, now seen corresponding path program 1 times [2024-11-16 12:08:53,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:08:53,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113292134] [2024-11-16 12:08:53,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:08:53,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:08:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:08:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:08:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:08:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:08:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:08:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:08:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:08:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:08:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:08:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:08:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:08:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:08:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:08:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:08:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:08:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:08:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:08:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:08:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:08:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:08:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:08:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:08:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:08:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:08:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:08:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:08:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:08:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:08:57,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:08:57,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113292134] [2024-11-16 12:08:57,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113292134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:08:57,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:08:57,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:08:57,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841132815] [2024-11-16 12:08:57,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:08:57,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:08:57,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:08:57,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:08:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:08:57,831 INFO L87 Difference]: Start difference. First operand 133 states and 203 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) [2024-11-16 12:09:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:00,351 INFO L93 Difference]: Finished difference Result 306 states and 454 transitions. [2024-11-16 12:09:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 12:09:00,351 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 [2024-11-16 12:09:00,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:00,353 INFO L225 Difference]: With dead ends: 306 [2024-11-16 12:09:00,354 INFO L226 Difference]: Without dead ends: 235 [2024-11-16 12:09:00,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=172, Invalid=334, Unknown=0, NotChecked=0, Total=506 [2024-11-16 12:09:00,355 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 258 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:00,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 521 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 12:09:00,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-16 12:09:00,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 137. [2024-11-16 12:09:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 82 states have internal predecessors, (107), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 211 transitions. [2024-11-16 12:09:00,373 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 211 transitions. Word has length 165 [2024-11-16 12:09:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:00,374 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 211 transitions. [2024-11-16 12:09:00,374 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) [2024-11-16 12:09:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2024-11-16 12:09:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:00,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:00,379 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] [2024-11-16 12:09:00,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:09:00,379 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:00,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:00,380 INFO L85 PathProgramCache]: Analyzing trace with hash 307147924, now seen corresponding path program 1 times [2024-11-16 12:09:00,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:00,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983740033] [2024-11-16 12:09:00,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:00,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:05,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983740033] [2024-11-16 12:09:05,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983740033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:05,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:05,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:09:05,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452325462] [2024-11-16 12:09:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:05,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:09:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:09:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:09:05,510 INFO L87 Difference]: Start difference. First operand 137 states and 211 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 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) [2024-11-16 12:09:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:06,852 INFO L93 Difference]: Finished difference Result 359 states and 533 transitions. [2024-11-16 12:09:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:09:06,852 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), 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 [2024-11-16 12:09:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:06,854 INFO L225 Difference]: With dead ends: 359 [2024-11-16 12:09:06,854 INFO L226 Difference]: Without dead ends: 276 [2024-11-16 12:09:06,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-16 12:09:06,856 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 476 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:06,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 667 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:09:06,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-16 12:09:06,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 148. [2024-11-16 12:09:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 93 states have (on average 1.3548387096774193) internal successors, (126), 93 states have internal predecessors, (126), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 230 transitions. [2024-11-16 12:09:06,872 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 230 transitions. Word has length 165 [2024-11-16 12:09:06,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:06,873 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 230 transitions. [2024-11-16 12:09:06,873 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), 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) [2024-11-16 12:09:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 230 transitions. [2024-11-16 12:09:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:06,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:06,875 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] [2024-11-16 12:09:06,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:09:06,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:06,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash -2061785294, now seen corresponding path program 1 times [2024-11-16 12:09:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545874553] [2024-11-16 12:09:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:11,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:11,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545874553] [2024-11-16 12:09:11,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545874553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:11,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:11,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:09:11,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133614809] [2024-11-16 12:09:11,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:11,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:09:11,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:11,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:09:11,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:09:11,023 INFO L87 Difference]: Start difference. First operand 148 states and 230 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) [2024-11-16 12:09:13,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:13,461 INFO L93 Difference]: Finished difference Result 288 states and 437 transitions. [2024-11-16 12:09:13,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 12:09:13,461 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 [2024-11-16 12:09:13,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:13,463 INFO L225 Difference]: With dead ends: 288 [2024-11-16 12:09:13,463 INFO L226 Difference]: Without dead ends: 205 [2024-11-16 12:09:13,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=172, Invalid=334, Unknown=0, NotChecked=0, Total=506 [2024-11-16 12:09:13,464 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 182 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:13,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 494 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 12:09:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-16 12:09:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 144. [2024-11-16 12:09:13,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 222 transitions. [2024-11-16 12:09:13,502 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 222 transitions. Word has length 165 [2024-11-16 12:09:13,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:13,506 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 222 transitions. [2024-11-16 12:09:13,507 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) [2024-11-16 12:09:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 222 transitions. [2024-11-16 12:09:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:13,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:13,514 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] [2024-11-16 12:09:13,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 12:09:13,515 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:13,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:13,515 INFO L85 PathProgramCache]: Analyzing trace with hash 436230643, now seen corresponding path program 1 times [2024-11-16 12:09:13,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183898051] [2024-11-16 12:09:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:19,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183898051] [2024-11-16 12:09:19,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183898051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:19,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:19,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:09:19,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504713779] [2024-11-16 12:09:19,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:19,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:09:19,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:19,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:09:19,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:09:19,035 INFO L87 Difference]: Start difference. First operand 144 states and 222 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 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) [2024-11-16 12:09:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:21,095 INFO L93 Difference]: Finished difference Result 359 states and 527 transitions. [2024-11-16 12:09:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 12:09:21,096 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), 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 [2024-11-16 12:09:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:21,097 INFO L225 Difference]: With dead ends: 359 [2024-11-16 12:09:21,097 INFO L226 Difference]: Without dead ends: 280 [2024-11-16 12:09:21,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2024-11-16 12:09:21,099 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 557 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:21,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 575 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 12:09:21,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-16 12:09:21,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 145. [2024-11-16 12:09:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2024-11-16 12:09:21,113 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 165 [2024-11-16 12:09:21,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:21,114 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2024-11-16 12:09:21,114 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), 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) [2024-11-16 12:09:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2024-11-16 12:09:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:21,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:21,115 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] [2024-11-16 12:09:21,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 12:09:21,115 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:21,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:21,116 INFO L85 PathProgramCache]: Analyzing trace with hash -198410701, now seen corresponding path program 1 times [2024-11-16 12:09:21,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:21,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466863808] [2024-11-16 12:09:21,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:21,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:21,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466863808] [2024-11-16 12:09:21,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466863808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:21,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:21,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 12:09:21,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623125992] [2024-11-16 12:09:21,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:21,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 12:09:21,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:21,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 12:09:21,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:09:21,691 INFO L87 Difference]: Start difference. First operand 145 states and 224 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) [2024-11-16 12:09:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:22,138 INFO L93 Difference]: Finished difference Result 330 states and 490 transitions. [2024-11-16 12:09:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:09:22,138 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 [2024-11-16 12:09:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:22,140 INFO L225 Difference]: With dead ends: 330 [2024-11-16 12:09:22,140 INFO L226 Difference]: Without dead ends: 241 [2024-11-16 12:09:22,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:09:22,141 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 354 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:22,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 398 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:09:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-16 12:09:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 145. [2024-11-16 12:09:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2024-11-16 12:09:22,165 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 165 [2024-11-16 12:09:22,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:22,165 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2024-11-16 12:09:22,165 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) [2024-11-16 12:09:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2024-11-16 12:09:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:22,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:22,167 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] [2024-11-16 12:09:22,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:09:22,167 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:22,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1814699733, now seen corresponding path program 1 times [2024-11-16 12:09:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898287580] [2024-11-16 12:09:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:22,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:25,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:25,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898287580] [2024-11-16 12:09:25,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898287580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:25,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:25,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:09:25,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676194054] [2024-11-16 12:09:25,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:25,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:09:25,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:25,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:09:25,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:09:25,654 INFO L87 Difference]: Start difference. First operand 145 states and 224 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:09:26,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:26,592 INFO L93 Difference]: Finished difference Result 358 states and 534 transitions. [2024-11-16 12:09:26,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:09:26,593 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2024-11-16 12:09:26,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:26,594 INFO L225 Difference]: With dead ends: 358 [2024-11-16 12:09:26,594 INFO L226 Difference]: Without dead ends: 269 [2024-11-16 12:09:26,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2024-11-16 12:09:26,595 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 425 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:26,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 550 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:09:26,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-16 12:09:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 158. [2024-11-16 12:09:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 245 transitions. [2024-11-16 12:09:26,609 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 245 transitions. Word has length 165 [2024-11-16 12:09:26,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:26,610 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 245 transitions. [2024-11-16 12:09:26,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:09:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 245 transitions. [2024-11-16 12:09:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:26,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:26,611 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] [2024-11-16 12:09:26,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 12:09:26,611 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:26,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1943782452, now seen corresponding path program 1 times [2024-11-16 12:09:26,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:26,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479256283] [2024-11-16 12:09:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:26,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:33,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:33,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479256283] [2024-11-16 12:09:33,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479256283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:33,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:33,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:09:33,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335018933] [2024-11-16 12:09:33,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:33,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:09:33,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:33,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:09:33,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:09:33,619 INFO L87 Difference]: Start difference. First operand 158 states and 245 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-16 12:09:34,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:34,978 INFO L93 Difference]: Finished difference Result 345 states and 510 transitions. [2024-11-16 12:09:34,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 12:09:34,979 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), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 165 [2024-11-16 12:09:34,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:34,981 INFO L225 Difference]: With dead ends: 345 [2024-11-16 12:09:34,981 INFO L226 Difference]: Without dead ends: 256 [2024-11-16 12:09:34,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-16 12:09:34,983 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 397 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:34,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 623 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:09:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-16 12:09:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 158. [2024-11-16 12:09:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 245 transitions. [2024-11-16 12:09:35,001 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 245 transitions. Word has length 165 [2024-11-16 12:09:35,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:35,001 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 245 transitions. [2024-11-16 12:09:35,001 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), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-16 12:09:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 245 transitions. [2024-11-16 12:09:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:35,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:35,005 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] [2024-11-16 12:09:35,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 12:09:35,005 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:35,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:35,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1521296726, now seen corresponding path program 1 times [2024-11-16 12:09:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:35,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107276203] [2024-11-16 12:09:35,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:35,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:36,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:36,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107276203] [2024-11-16 12:09:36,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107276203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:36,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:36,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 12:09:36,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401614932] [2024-11-16 12:09:36,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:36,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 12:09:36,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:36,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 12:09:36,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 12:09:36,114 INFO L87 Difference]: Start difference. First operand 158 states and 245 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:09:36,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:36,921 INFO L93 Difference]: Finished difference Result 321 states and 479 transitions. [2024-11-16 12:09:36,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:09:36,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2024-11-16 12:09:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:36,923 INFO L225 Difference]: With dead ends: 321 [2024-11-16 12:09:36,924 INFO L226 Difference]: Without dead ends: 224 [2024-11-16 12:09:36,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:09:36,925 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 270 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:36,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 463 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:09:36,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-16 12:09:36,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 158. [2024-11-16 12:09:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 103 states have internal predecessors, (140), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 244 transitions. [2024-11-16 12:09:36,941 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 244 transitions. Word has length 165 [2024-11-16 12:09:36,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:36,941 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 244 transitions. [2024-11-16 12:09:36,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:09:36,941 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 244 transitions. [2024-11-16 12:09:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:36,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:36,942 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] [2024-11-16 12:09:36,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 12:09:36,942 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:36,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:36,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1309141108, now seen corresponding path program 1 times [2024-11-16 12:09:36,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:36,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124677605] [2024-11-16 12:09:36,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:36,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:40,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:40,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124677605] [2024-11-16 12:09:40,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124677605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:40,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:40,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 12:09:40,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933713768] [2024-11-16 12:09:40,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:40,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 12:09:40,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:40,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 12:09:40,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-16 12:09:40,251 INFO L87 Difference]: Start difference. First operand 158 states and 244 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 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) [2024-11-16 12:09:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:40,638 INFO L93 Difference]: Finished difference Result 318 states and 480 transitions. [2024-11-16 12:09:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 12:09:40,639 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 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 [2024-11-16 12:09:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:40,640 INFO L225 Difference]: With dead ends: 318 [2024-11-16 12:09:40,640 INFO L226 Difference]: Without dead ends: 229 [2024-11-16 12:09:40,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:09:40,641 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 144 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:40,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 447 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:09:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-16 12:09:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 159. [2024-11-16 12:09:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 246 transitions. [2024-11-16 12:09:40,656 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 246 transitions. Word has length 165 [2024-11-16 12:09:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:40,656 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 246 transitions. [2024-11-16 12:09:40,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 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) [2024-11-16 12:09:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 246 transitions. [2024-11-16 12:09:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 12:09:40,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:40,657 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] [2024-11-16 12:09:40,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 12:09:40,658 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:40,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:40,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1438223827, now seen corresponding path program 1 times [2024-11-16 12:09:40,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:40,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754515566] [2024-11-16 12:09:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:09:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:09:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:09:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:09:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:09:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:09:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:09:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:09:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:09:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:09:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:09:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:09:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:09:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:09:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:09:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:09:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:09:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:09:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:09:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:09:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:09:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:09:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:09:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:09:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:09:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:09:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:09:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:09:44,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:09:44,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754515566] [2024-11-16 12:09:44,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754515566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:09:44,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:09:44,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:09:44,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422847089] [2024-11-16 12:09:44,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:09:44,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:09:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:09:44,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:09:44,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:09:44,522 INFO L87 Difference]: Start difference. First operand 159 states and 246 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) [2024-11-16 12:09:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:09:45,018 INFO L93 Difference]: Finished difference Result 322 states and 485 transitions. [2024-11-16 12:09:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 12:09:45,019 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 [2024-11-16 12:09:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:09:45,021 INFO L225 Difference]: With dead ends: 322 [2024-11-16 12:09:45,021 INFO L226 Difference]: Without dead ends: 222 [2024-11-16 12:09:45,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:09:45,022 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 131 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:09:45,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 497 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:09:45,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-16 12:09:45,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 160. [2024-11-16 12:09:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 105 states have (on average 1.3714285714285714) internal successors, (144), 105 states have internal predecessors, (144), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 12:09:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-11-16 12:09:45,048 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 165 [2024-11-16 12:09:45,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:09:45,049 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-11-16 12:09:45,049 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) [2024-11-16 12:09:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-11-16 12:09:45,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:09:45,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:09:45,052 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] [2024-11-16 12:09:45,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 12:09:45,054 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:09:45,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:09:45,054 INFO L85 PathProgramCache]: Analyzing trace with hash 436509195, now seen corresponding path program 1 times [2024-11-16 12:09:45,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:09:45,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668308036] [2024-11-16 12:09:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:09:45,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:09:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat