./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-57.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 35897ca10739dfe50f578706614b96ade5d7e66bf9cbebf31dd49bae05c8bb42 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:12:32,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:12:32,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:12:32,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:12:32,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:12:32,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:12:32,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:12:32,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:12:32,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:12:32,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:12:32,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:12:32,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:12:32,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:12:32,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:12:32,279 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:12:32,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:12:32,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:12:32,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:12:32,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:12:32,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:12:32,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:12:32,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:12:32,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:12:32,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:12:32,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:12:32,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:12:32,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:12:32,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:12:32,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:12:32,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:12:32,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:12:32,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:12:32,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:12:32,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:12:32,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:12:32,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:12:32,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:12:32,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:12:32,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:12:32,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:12:32,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:12:32,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:12:32,291 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35897ca10739dfe50f578706614b96ade5d7e66bf9cbebf31dd49bae05c8bb42 [2024-10-11 12:12:32,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:12:32,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:12:32,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:12:32,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:12:32,610 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:12:32,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-57.i [2024-10-11 12:12:34,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:12:34,437 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:12:34,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-57.i [2024-10-11 12:12:34,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c32419f89/f890fb5d211949a394ecab2c5383ea4d/FLAG121d52fe7 [2024-10-11 12:12:34,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c32419f89/f890fb5d211949a394ecab2c5383ea4d [2024-10-11 12:12:34,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:12:34,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:12:34,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:12:34,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:12:34,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:12:34,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:34,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edb0440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34, skipping insertion in model container [2024-10-11 12:12:34,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:34,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:12:34,729 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-57.i[916,929] [2024-10-11 12:12:34,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:12:34,888 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:12:34,905 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-57.i[916,929] [2024-10-11 12:12:34,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:12:34,988 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:12:34,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34 WrapperNode [2024-10-11 12:12:34,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:12:34,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:12:34,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:12:34,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:12:35,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,076 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 256 [2024-10-11 12:12:35,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:12:35,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:12:35,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:12:35,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:12:35,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,128 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]. [2024-10-11 12:12:35,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:12:35,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:12:35,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:12:35,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:12:35,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (1/1) ... [2024-10-11 12:12:35,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:12:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:12:35,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:12:35,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:12:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:12:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:12:35,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:12:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:12:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:12:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:12:35,413 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:12:35,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:12:35,945 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-11 12:12:35,946 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:12:36,015 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:12:36,017 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:12:36,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:12:36 BoogieIcfgContainer [2024-10-11 12:12:36,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:12:36,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:12:36,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:12:36,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:12:36,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:12:34" (1/3) ... [2024-10-11 12:12:36,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cf54c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:12:36, skipping insertion in model container [2024-10-11 12:12:36,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:12:34" (2/3) ... [2024-10-11 12:12:36,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cf54c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:12:36, skipping insertion in model container [2024-10-11 12:12:36,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:12:36" (3/3) ... [2024-10-11 12:12:36,032 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-57.i [2024-10-11 12:12:36,048 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:12:36,048 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:12:36,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:12:36,134 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;@354a0255, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:12:36,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:12:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 12:12:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 12:12:36,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:12:36,156 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:12:36,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:12:36,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:12:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash -96782062, now seen corresponding path program 1 times [2024-10-11 12:12:36,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:12:36,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186259730] [2024-10-11 12:12:36,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:12:36,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:12:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:12:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:12:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:12:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:12:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:12:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:12:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:12:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:12:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:12:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:12:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:12:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:12:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:12:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:12:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:12:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:12:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:12:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:12:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 12:12:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:12:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 12:12:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:12:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 12:12:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 12:12:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 12:12:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:12:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:12:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:12:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:12:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 12:12:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:12:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:12:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:12:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:12:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:12:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:12:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:12:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-10-11 12:12:36,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:12:36,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186259730] [2024-10-11 12:12:36,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186259730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:12:36,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:12:36,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:12:36,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701937974] [2024-10-11 12:12:36,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:12:36,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:12:36,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:12:36,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:12:36,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:12:36,904 INFO L87 Difference]: Start difference. First operand has 105 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-10-11 12:12:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:12:36,964 INFO L93 Difference]: Finished difference Result 207 states and 376 transitions. [2024-10-11 12:12:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:12:36,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 223 [2024-10-11 12:12:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:12:36,977 INFO L225 Difference]: With dead ends: 207 [2024-10-11 12:12:36,978 INFO L226 Difference]: Without dead ends: 103 [2024-10-11 12:12:36,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:12:36,994 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:12:36,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:12:37,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-11 12:12:37,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-10-11 12:12:37,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 65 states have internal predecessors, (94), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 12:12:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2024-10-11 12:12:37,065 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 223 [2024-10-11 12:12:37,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:12:37,066 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2024-10-11 12:12:37,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-10-11 12:12:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2024-10-11 12:12:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 12:12:37,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:12:37,072 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:12:37,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:12:37,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:12:37,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:12:37,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1042333594, now seen corresponding path program 1 times [2024-10-11 12:12:37,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:12:37,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729067610] [2024-10-11 12:12:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:12:37,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:12:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:13:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:13:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:13:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:13:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:13:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:13:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:13:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:13:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:13:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:13:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:13:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:13:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:13:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:13:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:13:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:13:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:13:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:13:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 12:13:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:13:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 12:13:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:13:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 12:13:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 12:13:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 12:13:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:13:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:13:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:13:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:13:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 12:13:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:13:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:13:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:13:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:13:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:13:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:13:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-10-11 12:13:03,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:13:03,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729067610] [2024-10-11 12:13:03,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729067610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:13:03,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:13:03,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:13:03,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554940521] [2024-10-11 12:13:03,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:13:03,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:13:03,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:13:03,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:13:03,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:13:03,975 INFO L87 Difference]: Start difference. First operand 103 states and 166 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-10-11 12:13:06,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:13:06,242 INFO L93 Difference]: Finished difference Result 331 states and 525 transitions. [2024-10-11 12:13:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 12:13:06,246 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 223 [2024-10-11 12:13:06,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:13:06,250 INFO L225 Difference]: With dead ends: 331 [2024-10-11 12:13:06,251 INFO L226 Difference]: Without dead ends: 229 [2024-10-11 12:13:06,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:13:06,254 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 192 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 12:13:06,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 755 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 12:13:06,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-11 12:13:06,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 119. [2024-10-11 12:13:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 81 states have (on average 1.4938271604938271) internal successors, (121), 81 states have internal predecessors, (121), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 12:13:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 193 transitions. [2024-10-11 12:13:06,275 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 193 transitions. Word has length 223 [2024-10-11 12:13:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:13:06,278 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 193 transitions. [2024-10-11 12:13:06,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-10-11 12:13:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 193 transitions. [2024-10-11 12:13:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 12:13:06,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:13:06,282 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:13:06,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:13:06,283 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:13:06,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:13:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1592442856, now seen corresponding path program 1 times [2024-10-11 12:13:06,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:13:06,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165993532] [2024-10-11 12:13:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:13:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:13:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:13:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:13:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:13:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:13:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:13:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:13:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:13:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:13:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:13:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:13:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:13:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:13:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:13:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:13:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:13:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:13:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:13:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:13:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 12:13:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:13:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 12:13:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:13:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 12:13:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 12:13:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 12:13:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:13:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:13:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:13:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:13:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 12:13:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:13:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:13:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:13:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:13:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:13:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:13:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-10-11 12:13:25,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:13:25,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165993532] [2024-10-11 12:13:25,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165993532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:13:25,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:13:25,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 12:13:25,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736398052] [2024-10-11 12:13:25,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:13:25,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 12:13:25,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:13:25,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 12:13:25,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-11 12:13:25,393 INFO L87 Difference]: Start difference. First operand 119 states and 193 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-10-11 12:13:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:13:30,238 INFO L93 Difference]: Finished difference Result 477 states and 761 transitions. [2024-10-11 12:13:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 12:13:30,239 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 224 [2024-10-11 12:13:30,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:13:30,243 INFO L225 Difference]: With dead ends: 477 [2024-10-11 12:13:30,243 INFO L226 Difference]: Without dead ends: 359 [2024-10-11 12:13:30,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-10-11 12:13:30,246 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 480 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:13:30,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 768 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 12:13:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-11 12:13:30,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 198. [2024-10-11 12:13:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 123 states have internal predecessors, (178), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-11 12:13:30,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 322 transitions. [2024-10-11 12:13:30,316 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 322 transitions. Word has length 224 [2024-10-11 12:13:30,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:13:30,318 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 322 transitions. [2024-10-11 12:13:30,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-10-11 12:13:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 322 transitions. [2024-10-11 12:13:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 12:13:30,327 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:13:30,327 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:13:30,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:13:30,327 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:13:30,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:13:30,328 INFO L85 PathProgramCache]: Analyzing trace with hash -121850114, now seen corresponding path program 1 times [2024-10-11 12:13:30,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:13:30,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996509119] [2024-10-11 12:13:30,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:13:30,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:13:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:13:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:13:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:13:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:13:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:13:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:13:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:13:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:13:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:13:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:13:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:13:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:13:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:13:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:13:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:13:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:13:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:13:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:13:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 12:13:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:13:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 12:13:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:13:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 12:13:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 12:13:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 12:13:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:13:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:13:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:13:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:13:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 12:13:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 12:13:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:13:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:13:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:13:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:13:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:13:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:13:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-10-11 12:13:38,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:13:38,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996509119] [2024-10-11 12:13:38,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996509119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:13:38,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:13:38,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 12:13:38,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325122518] [2024-10-11 12:13:38,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:13:38,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 12:13:38,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:13:38,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 12:13:38,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:13:38,451 INFO L87 Difference]: Start difference. First operand 198 states and 322 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-10-11 12:13:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:13:40,150 INFO L93 Difference]: Finished difference Result 508 states and 802 transitions. [2024-10-11 12:13:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 12:13:40,151 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 224 [2024-10-11 12:13:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:13:40,155 INFO L225 Difference]: With dead ends: 508 [2024-10-11 12:13:40,155 INFO L226 Difference]: Without dead ends: 390 [2024-10-11 12:13:40,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-10-11 12:13:40,158 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 500 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:13:40,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 796 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 12:13:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-10-11 12:13:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 217. [2024-10-11 12:13:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 142 states have (on average 1.4859154929577465) internal successors, (211), 142 states have internal predecessors, (211), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-11 12:13:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 355 transitions. [2024-10-11 12:13:40,192 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 355 transitions. Word has length 224 [2024-10-11 12:13:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:13:40,193 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 355 transitions. [2024-10-11 12:13:40,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-10-11 12:13:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 355 transitions. [2024-10-11 12:13:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 12:13:40,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:13:40,197 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:13:40,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:13:40,197 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:13:40,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:13:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash 418215876, now seen corresponding path program 1 times [2024-10-11 12:13:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:13:40,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719969919] [2024-10-11 12:13:40,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:13:40,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:13:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat