/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d128_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 13:19:18,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 13:19:18,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-25 13:19:18,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 13:19:18,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 13:19:18,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 13:19:18,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 13:19:18,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 13:19:18,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 13:19:18,370 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 13:19:18,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 13:19:18,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 13:19:18,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 13:19:18,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 13:19:18,372 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 13:19:18,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 13:19:18,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 13:19:18,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-25 13:19:18,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 13:19:18,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 13:19:18,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 13:19:18,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 13:19:18,380 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 13:19:18,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 13:19:18,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 13:19:18,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 13:19:18,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 13:19:18,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 13:19:18,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 13:19:18,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 13:19:18,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 13:19:18,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 13:19:18,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 13:19:18,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-25 13:19:18,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-25 13:19:18,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 13:19:18,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 13:19:18,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 13:19:18,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 13:19:18,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 13:19:18,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-25 13:19:18,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 13:19:18,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 13:19:18,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 13:19:18,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 13:19:18,591 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 13:19:18,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d128_e0.c [2023-12-25 13:19:19,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 13:19:19,984 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 13:19:19,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d128_e0.c [2023-12-25 13:19:20,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e449494d8/c624bdff56e84647b3735eea27d78d33/FLAG2a46ebc9a [2023-12-25 13:19:20,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e449494d8/c624bdff56e84647b3735eea27d78d33 [2023-12-25 13:19:20,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 13:19:20,029 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 13:19:20,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 13:19:20,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 13:19:20,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 13:19:20,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 01:19:20" (1/1) ... [2023-12-25 13:19:20,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68487d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:20, skipping insertion in model container [2023-12-25 13:19:20,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 01:19:20" (1/1) ... [2023-12-25 13:19:20,122 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 13:19:20,326 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d128_e0.c[1272,1285] [2023-12-25 13:19:20,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 13:19:20,949 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 13:19:21,001 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d128_e0.c[1272,1285] [2023-12-25 13:19:21,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 13:19:21,469 INFO L206 MainTranslator]: Completed translation [2023-12-25 13:19:21,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21 WrapperNode [2023-12-25 13:19:21,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 13:19:21,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 13:19:21,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 13:19:21,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 13:19:21,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:21,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:23,144 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20319 [2023-12-25 13:19:23,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 13:19:23,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 13:19:23,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 13:19:23,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 13:19:23,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:23,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:23,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:23,749 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]. [2023-12-25 13:19:23,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:23,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:24,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:24,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:24,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:24,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:24,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 13:19:24,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 13:19:24,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 13:19:24,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 13:19:24,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (1/1) ... [2023-12-25 13:19:24,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 13:19:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:19:24,698 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) [2023-12-25 13:19:24,741 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 [2023-12-25 13:19:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 13:19:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 13:19:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 13:19:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-25 13:19:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 13:19:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 13:19:25,903 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 13:19:25,905 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 13:19:36,697 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 13:19:36,989 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 13:19:36,990 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 13:19:36,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 01:19:36 BoogieIcfgContainer [2023-12-25 13:19:36,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 13:19:36,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 13:19:36,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 13:19:36,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 13:19:36,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 01:19:20" (1/3) ... [2023-12-25 13:19:36,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72df0940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 01:19:36, skipping insertion in model container [2023-12-25 13:19:36,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:19:21" (2/3) ... [2023-12-25 13:19:36,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72df0940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 01:19:36, skipping insertion in model container [2023-12-25 13:19:36,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 01:19:36" (3/3) ... [2023-12-25 13:19:36,997 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w16_d128_e0.c [2023-12-25 13:19:37,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 13:19:37,008 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 13:19:37,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 13:19:37,101 INFO L357 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, mHoare=true, 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;@904223b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 13:19:37,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 13:19:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 3563 states, 3553 states have (on average 1.6650717703349283) internal successors, (5916), 3554 states have internal predecessors, (5916), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2023-12-25 13:19:37,161 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:37,163 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:37,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:37,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1410220871, now seen corresponding path program 1 times [2023-12-25 13:19:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:37,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268844311] [2023-12-25 13:19:37,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:37,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:19:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:19:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:19:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:19:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:19:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:19:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:19:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:19:38,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:19:38,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268844311] [2023-12-25 13:19:38,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268844311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:19:38,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:19:38,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 13:19:38,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142104591] [2023-12-25 13:19:38,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:19:38,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 13:19:38,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:19:38,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 13:19:38,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 13:19:38,636 INFO L87 Difference]: Start difference. First operand has 3563 states, 3553 states have (on average 1.6650717703349283) internal successors, (5916), 3554 states have internal predecessors, (5916), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 507.0) internal successors, (1014), 2 states have internal predecessors, (1014), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 13:19:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:19:38,762 INFO L93 Difference]: Finished difference Result 6316 states and 10520 transitions. [2023-12-25 13:19:38,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 13:19:38,765 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 507.0) internal successors, (1014), 2 states have internal predecessors, (1014), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 1046 [2023-12-25 13:19:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:19:38,793 INFO L225 Difference]: With dead ends: 6316 [2023-12-25 13:19:38,793 INFO L226 Difference]: Without dead ends: 3561 [2023-12-25 13:19:38,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 13:19:38,806 INFO L413 NwaCegarLoop]: 5924 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:19:38,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5924 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:19:38,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2023-12-25 13:19:38,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3561. [2023-12-25 13:19:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 3552 states have (on average 1.664132882882883) internal successors, (5911), 3552 states have internal predecessors, (5911), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:38,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5925 transitions. [2023-12-25 13:19:38,922 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5925 transitions. Word has length 1046 [2023-12-25 13:19:38,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:19:38,924 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5925 transitions. [2023-12-25 13:19:38,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 507.0) internal successors, (1014), 2 states have internal predecessors, (1014), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 13:19:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5925 transitions. [2023-12-25 13:19:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2023-12-25 13:19:38,946 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:38,947 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:38,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-25 13:19:38,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:38,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:38,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1979759111, now seen corresponding path program 1 times [2023-12-25 13:19:38,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:38,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442563425] [2023-12-25 13:19:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:38,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:19:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:19:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:19:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:19:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:19:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:19:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:19:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:19:43,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:19:43,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442563425] [2023-12-25 13:19:43,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442563425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:19:43,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:19:43,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:19:43,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070419480] [2023-12-25 13:19:43,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:19:43,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:19:43,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:19:43,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:19:43,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:19:43,434 INFO L87 Difference]: Start difference. First operand 3561 states and 5925 transitions. Second operand has 4 states, 4 states have (on average 253.5) internal successors, (1014), 4 states have internal predecessors, (1014), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:43,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:19:43,544 INFO L93 Difference]: Finished difference Result 3565 states and 5929 transitions. [2023-12-25 13:19:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:19:43,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 253.5) internal successors, (1014), 4 states have internal predecessors, (1014), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1046 [2023-12-25 13:19:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:19:43,556 INFO L225 Difference]: With dead ends: 3565 [2023-12-25 13:19:43,557 INFO L226 Difference]: Without dead ends: 3563 [2023-12-25 13:19:43,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:19:43,559 INFO L413 NwaCegarLoop]: 5922 mSDtfsCounter, 1 mSDsluCounter, 11839 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17761 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:19:43,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17761 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:19:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2023-12-25 13:19:43,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3563. [2023-12-25 13:19:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 3554 states have (on average 1.6637591446257738) internal successors, (5913), 3554 states have internal predecessors, (5913), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5927 transitions. [2023-12-25 13:19:43,615 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5927 transitions. Word has length 1046 [2023-12-25 13:19:43,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:19:43,617 INFO L495 AbstractCegarLoop]: Abstraction has 3563 states and 5927 transitions. [2023-12-25 13:19:43,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 253.5) internal successors, (1014), 4 states have internal predecessors, (1014), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5927 transitions. [2023-12-25 13:19:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1048 [2023-12-25 13:19:43,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:43,626 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:43,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-25 13:19:43,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:43,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:43,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1241259335, now seen corresponding path program 1 times [2023-12-25 13:19:43,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:43,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459028636] [2023-12-25 13:19:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:43,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:19:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:19:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:19:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:19:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:19:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:19:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:19:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:19:46,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:19:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459028636] [2023-12-25 13:19:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459028636] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:19:46,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:19:46,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:19:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740163425] [2023-12-25 13:19:46,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:19:46,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:19:46,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:19:46,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:19:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:19:46,390 INFO L87 Difference]: Start difference. First operand 3563 states and 5927 transitions. Second operand has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:48,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:19:48,591 INFO L93 Difference]: Finished difference Result 8768 states and 14488 transitions. [2023-12-25 13:19:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:19:48,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1047 [2023-12-25 13:19:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:19:48,602 INFO L225 Difference]: With dead ends: 8768 [2023-12-25 13:19:48,603 INFO L226 Difference]: Without dead ends: 3563 [2023-12-25 13:19:48,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:19:48,609 INFO L413 NwaCegarLoop]: 5760 mSDtfsCounter, 12098 mSDsluCounter, 10493 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12098 SdHoareTripleChecker+Valid, 16253 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:19:48,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12098 Valid, 16253 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-25 13:19:48,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2023-12-25 13:19:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3563. [2023-12-25 13:19:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 3554 states have (on average 1.6634777715250422) internal successors, (5912), 3554 states have internal predecessors, (5912), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5926 transitions. [2023-12-25 13:19:48,663 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5926 transitions. Word has length 1047 [2023-12-25 13:19:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:19:48,664 INFO L495 AbstractCegarLoop]: Abstraction has 3563 states and 5926 transitions. [2023-12-25 13:19:48,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5926 transitions. [2023-12-25 13:19:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049 [2023-12-25 13:19:48,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:48,673 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:48,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-25 13:19:48,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:48,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:48,674 INFO L85 PathProgramCache]: Analyzing trace with hash -642302573, now seen corresponding path program 1 times [2023-12-25 13:19:48,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:48,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099099973] [2023-12-25 13:19:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:19:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:19:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:19:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:19:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:19:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:19:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:19:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:19:51,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:19:51,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099099973] [2023-12-25 13:19:51,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099099973] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:19:51,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:19:51,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:19:51,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102578018] [2023-12-25 13:19:51,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:19:51,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:19:51,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:19:51,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:19:51,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:19:51,022 INFO L87 Difference]: Start difference. First operand 3563 states and 5926 transitions. Second operand has 5 states, 5 states have (on average 203.2) internal successors, (1016), 5 states have internal predecessors, (1016), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:53,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:19:53,012 INFO L93 Difference]: Finished difference Result 6318 states and 10506 transitions. [2023-12-25 13:19:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:19:53,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 203.2) internal successors, (1016), 5 states have internal predecessors, (1016), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1048 [2023-12-25 13:19:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:19:53,023 INFO L225 Difference]: With dead ends: 6318 [2023-12-25 13:19:53,023 INFO L226 Difference]: Without dead ends: 3563 [2023-12-25 13:19:53,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:19:53,027 INFO L413 NwaCegarLoop]: 4710 mSDtfsCounter, 5718 mSDsluCounter, 4722 mSDsCounter, 0 mSdLazyCounter, 2430 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5725 SdHoareTripleChecker+Valid, 9432 SdHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:19:53,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5725 Valid, 9432 Invalid, 2431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2430 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-25 13:19:53,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2023-12-25 13:19:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3563. [2023-12-25 13:19:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 3554 states have (on average 1.6631963984243106) internal successors, (5911), 3554 states have internal predecessors, (5911), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5925 transitions. [2023-12-25 13:19:53,071 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5925 transitions. Word has length 1048 [2023-12-25 13:19:53,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:19:53,072 INFO L495 AbstractCegarLoop]: Abstraction has 3563 states and 5925 transitions. [2023-12-25 13:19:53,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.2) internal successors, (1016), 5 states have internal predecessors, (1016), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5925 transitions. [2023-12-25 13:19:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1050 [2023-12-25 13:19:53,082 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:53,082 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:53,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-25 13:19:53,083 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:53,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:53,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1105323565, now seen corresponding path program 1 times [2023-12-25 13:19:53,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:53,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96411484] [2023-12-25 13:19:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:53,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:19:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:19:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:19:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:19:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:19:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:19:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:19:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:19:55,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:19:55,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96411484] [2023-12-25 13:19:55,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96411484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:19:55,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:19:55,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:19:55,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847762840] [2023-12-25 13:19:55,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:19:55,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:19:55,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:19:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:19:55,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:19:55,291 INFO L87 Difference]: Start difference. First operand 3563 states and 5925 transitions. Second operand has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:55,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:19:55,366 INFO L93 Difference]: Finished difference Result 6321 states and 10508 transitions. [2023-12-25 13:19:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:19:55,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1049 [2023-12-25 13:19:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:19:55,376 INFO L225 Difference]: With dead ends: 6321 [2023-12-25 13:19:55,377 INFO L226 Difference]: Without dead ends: 3566 [2023-12-25 13:19:55,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:19:55,380 INFO L413 NwaCegarLoop]: 5920 mSDtfsCounter, 1 mSDsluCounter, 11833 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17753 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:19:55,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17753 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:19:55,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3566 states. [2023-12-25 13:19:55,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3566 to 3565. [2023-12-25 13:19:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6628233970753656) internal successors, (5913), 3556 states have internal predecessors, (5913), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5927 transitions. [2023-12-25 13:19:55,421 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5927 transitions. Word has length 1049 [2023-12-25 13:19:55,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:19:55,422 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5927 transitions. [2023-12-25 13:19:55,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5927 transitions. [2023-12-25 13:19:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2023-12-25 13:19:55,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:55,431 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:55,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-25 13:19:55,431 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:55,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:55,432 INFO L85 PathProgramCache]: Analyzing trace with hash -115718599, now seen corresponding path program 1 times [2023-12-25 13:19:55,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:55,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340820162] [2023-12-25 13:19:55,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:55,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:19:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:19:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:19:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:19:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:19:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:19:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:19:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:19:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:19:58,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:19:58,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340820162] [2023-12-25 13:19:58,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340820162] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:19:58,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:19:58,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:19:58,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131341223] [2023-12-25 13:19:58,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:19:58,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:19:58,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:19:58,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:19:58,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:19:58,107 INFO L87 Difference]: Start difference. First operand 3565 states and 5927 transitions. Second operand has 4 states, 4 states have (on average 254.5) internal successors, (1018), 4 states have internal predecessors, (1018), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:19:58,962 INFO L93 Difference]: Finished difference Result 6322 states and 10508 transitions. [2023-12-25 13:19:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:19:58,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 254.5) internal successors, (1018), 4 states have internal predecessors, (1018), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1050 [2023-12-25 13:19:58,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:19:58,973 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:19:58,973 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:19:58,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:19:58,977 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5191 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5191 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:19:58,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5191 Valid, 10798 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:19:58,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:19:59,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:19:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6622609673790776) internal successors, (5911), 3556 states have internal predecessors, (5911), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:19:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5925 transitions. [2023-12-25 13:19:59,034 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5925 transitions. Word has length 1050 [2023-12-25 13:19:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:19:59,035 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5925 transitions. [2023-12-25 13:19:59,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 254.5) internal successors, (1018), 4 states have internal predecessors, (1018), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:19:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5925 transitions. [2023-12-25 13:19:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2023-12-25 13:19:59,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:19:59,045 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:19:59,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-25 13:19:59,045 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:19:59,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:19:59,046 INFO L85 PathProgramCache]: Analyzing trace with hash 984836315, now seen corresponding path program 1 times [2023-12-25 13:19:59,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:19:59,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325674558] [2023-12-25 13:19:59,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:19:59,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:19:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:01,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:01,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325674558] [2023-12-25 13:20:01,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325674558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:01,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:01,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:01,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184224874] [2023-12-25 13:20:01,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:01,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:01,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:01,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:01,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:01,275 INFO L87 Difference]: Start difference. First operand 3565 states and 5925 transitions. Second operand has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:01,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:01,920 INFO L93 Difference]: Finished difference Result 6354 states and 10551 transitions. [2023-12-25 13:20:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:20:01,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1051 [2023-12-25 13:20:01,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:01,936 INFO L225 Difference]: With dead ends: 6354 [2023-12-25 13:20:01,937 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:01,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:20:01,941 INFO L413 NwaCegarLoop]: 5897 mSDtfsCounter, 5256 mSDsluCounter, 11304 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5256 SdHoareTripleChecker+Valid, 17201 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:01,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5256 Valid, 17201 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:20:01,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6619797525309337) internal successors, (5910), 3556 states have internal predecessors, (5910), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5924 transitions. [2023-12-25 13:20:02,004 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5924 transitions. Word has length 1051 [2023-12-25 13:20:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:02,004 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5924 transitions. [2023-12-25 13:20:02,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5924 transitions. [2023-12-25 13:20:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2023-12-25 13:20:02,014 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:02,015 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:02,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-25 13:20:02,015 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:02,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2111503899, now seen corresponding path program 1 times [2023-12-25 13:20:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:02,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113554767] [2023-12-25 13:20:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:02,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:03,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:03,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113554767] [2023-12-25 13:20:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113554767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:03,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:03,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:03,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195178818] [2023-12-25 13:20:03,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:03,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:03,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:03,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:03,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:03,786 INFO L87 Difference]: Start difference. First operand 3565 states and 5924 transitions. Second operand has 5 states, 5 states have (on average 204.0) internal successors, (1020), 5 states have internal predecessors, (1020), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:04,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:04,573 INFO L93 Difference]: Finished difference Result 6322 states and 10502 transitions. [2023-12-25 13:20:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:04,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 204.0) internal successors, (1020), 5 states have internal predecessors, (1020), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1052 [2023-12-25 13:20:04,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:04,580 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:04,580 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:04,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:04,583 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 11118 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11125 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:04,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11125 Valid, 10798 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:04,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6616985376827897) internal successors, (5909), 3556 states have internal predecessors, (5909), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5923 transitions. [2023-12-25 13:20:04,621 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5923 transitions. Word has length 1052 [2023-12-25 13:20:04,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:04,622 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5923 transitions. [2023-12-25 13:20:04,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 204.0) internal successors, (1020), 5 states have internal predecessors, (1020), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5923 transitions. [2023-12-25 13:20:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2023-12-25 13:20:04,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:04,631 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:04,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-25 13:20:04,631 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:04,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:04,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1691499701, now seen corresponding path program 1 times [2023-12-25 13:20:04,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:04,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146880988] [2023-12-25 13:20:04,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:04,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:06,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:06,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146880988] [2023-12-25 13:20:06,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146880988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:06,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:06,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:06,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616899375] [2023-12-25 13:20:06,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:06,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:06,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:06,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:06,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:06,439 INFO L87 Difference]: Start difference. First operand 3565 states and 5923 transitions. Second operand has 5 states, 5 states have (on average 204.2) internal successors, (1021), 5 states have internal predecessors, (1021), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:07,237 INFO L93 Difference]: Finished difference Result 6322 states and 10500 transitions. [2023-12-25 13:20:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 204.2) internal successors, (1021), 5 states have internal predecessors, (1021), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1053 [2023-12-25 13:20:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:07,243 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:07,243 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:07,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:07,248 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5898 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5905 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:07,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5905 Valid, 10808 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:07,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6614173228346456) internal successors, (5908), 3556 states have internal predecessors, (5908), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5922 transitions. [2023-12-25 13:20:07,297 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5922 transitions. Word has length 1053 [2023-12-25 13:20:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:07,297 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5922 transitions. [2023-12-25 13:20:07,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 204.2) internal successors, (1021), 5 states have internal predecessors, (1021), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5922 transitions. [2023-12-25 13:20:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1055 [2023-12-25 13:20:07,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:07,307 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:07,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-25 13:20:07,308 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:07,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:07,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1121725365, now seen corresponding path program 1 times [2023-12-25 13:20:07,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:07,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107890080] [2023-12-25 13:20:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:09,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:09,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107890080] [2023-12-25 13:20:09,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107890080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:09,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:09,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:09,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828659219] [2023-12-25 13:20:09,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:09,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:09,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:09,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:09,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:09,170 INFO L87 Difference]: Start difference. First operand 3565 states and 5922 transitions. Second operand has 5 states, 5 states have (on average 204.4) internal successors, (1022), 5 states have internal predecessors, (1022), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:10,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:10,083 INFO L93 Difference]: Finished difference Result 6322 states and 10498 transitions. [2023-12-25 13:20:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:10,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 204.4) internal successors, (1022), 5 states have internal predecessors, (1022), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1054 [2023-12-25 13:20:10,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:10,089 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:10,089 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:10,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:10,092 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5894 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5901 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:10,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5901 Valid, 10808 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:20:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6611361079865017) internal successors, (5907), 3556 states have internal predecessors, (5907), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5921 transitions. [2023-12-25 13:20:10,131 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5921 transitions. Word has length 1054 [2023-12-25 13:20:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:10,132 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5921 transitions. [2023-12-25 13:20:10,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 204.4) internal successors, (1022), 5 states have internal predecessors, (1022), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5921 transitions. [2023-12-25 13:20:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1056 [2023-12-25 13:20:10,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:10,141 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:10,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-25 13:20:10,141 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:10,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:10,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1804617103, now seen corresponding path program 1 times [2023-12-25 13:20:10,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:10,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99077384] [2023-12-25 13:20:10,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:10,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:12,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:12,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99077384] [2023-12-25 13:20:12,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99077384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:12,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:12,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:12,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850031550] [2023-12-25 13:20:12,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:12,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:12,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:12,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:12,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:12,052 INFO L87 Difference]: Start difference. First operand 3565 states and 5921 transitions. Second operand has 5 states, 5 states have (on average 204.6) internal successors, (1023), 5 states have internal predecessors, (1023), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:12,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:12,799 INFO L93 Difference]: Finished difference Result 6322 states and 10496 transitions. [2023-12-25 13:20:12,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:12,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 204.6) internal successors, (1023), 5 states have internal predecessors, (1023), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1055 [2023-12-25 13:20:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:12,825 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:12,826 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:12,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:12,829 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5890 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5897 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:12,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5897 Valid, 10808 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:12,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:12,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6608548931383578) internal successors, (5906), 3556 states have internal predecessors, (5906), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5920 transitions. [2023-12-25 13:20:12,860 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5920 transitions. Word has length 1055 [2023-12-25 13:20:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:12,861 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5920 transitions. [2023-12-25 13:20:12,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 204.6) internal successors, (1023), 5 states have internal predecessors, (1023), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5920 transitions. [2023-12-25 13:20:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2023-12-25 13:20:12,869 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:12,869 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:12,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-25 13:20:12,870 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:12,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash -827851185, now seen corresponding path program 1 times [2023-12-25 13:20:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:12,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064268844] [2023-12-25 13:20:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:12,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:14,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:14,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064268844] [2023-12-25 13:20:14,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064268844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:14,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:14,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:14,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738440995] [2023-12-25 13:20:14,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:14,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:14,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:14,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:14,686 INFO L87 Difference]: Start difference. First operand 3565 states and 5920 transitions. Second operand has 5 states, 5 states have (on average 204.8) internal successors, (1024), 5 states have internal predecessors, (1024), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:15,476 INFO L93 Difference]: Finished difference Result 6322 states and 10494 transitions. [2023-12-25 13:20:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:15,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 204.8) internal successors, (1024), 5 states have internal predecessors, (1024), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1056 [2023-12-25 13:20:15,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:15,481 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:15,481 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:15,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:15,484 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 11086 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11093 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:15,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11093 Valid, 10798 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:15,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6605736782902136) internal successors, (5905), 3556 states have internal predecessors, (5905), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5919 transitions. [2023-12-25 13:20:15,519 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5919 transitions. Word has length 1056 [2023-12-25 13:20:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:15,519 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5919 transitions. [2023-12-25 13:20:15,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 204.8) internal successors, (1024), 5 states have internal predecessors, (1024), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5919 transitions. [2023-12-25 13:20:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2023-12-25 13:20:15,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:15,528 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:15,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-25 13:20:15,528 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:15,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:15,529 INFO L85 PathProgramCache]: Analyzing trace with hash 803341161, now seen corresponding path program 1 times [2023-12-25 13:20:15,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:15,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290403100] [2023-12-25 13:20:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:17,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:17,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290403100] [2023-12-25 13:20:17,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290403100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:17,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:17,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:17,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638142631] [2023-12-25 13:20:17,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:17,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:17,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:17,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:17,285 INFO L87 Difference]: Start difference. First operand 3565 states and 5919 transitions. Second operand has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:18,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:18,054 INFO L93 Difference]: Finished difference Result 6322 states and 10492 transitions. [2023-12-25 13:20:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:18,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1057 [2023-12-25 13:20:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:18,059 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:18,059 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:18,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:18,062 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 11078 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11085 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:18,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11085 Valid, 10798 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:18,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6602924634420697) internal successors, (5904), 3556 states have internal predecessors, (5904), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5918 transitions. [2023-12-25 13:20:18,100 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5918 transitions. Word has length 1057 [2023-12-25 13:20:18,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:18,100 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5918 transitions. [2023-12-25 13:20:18,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5918 transitions. [2023-12-25 13:20:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2023-12-25 13:20:18,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:18,111 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:18,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-25 13:20:18,111 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:18,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:18,111 INFO L85 PathProgramCache]: Analyzing trace with hash -981010967, now seen corresponding path program 1 times [2023-12-25 13:20:18,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:18,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256516025] [2023-12-25 13:20:18,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:18,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:19,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:19,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256516025] [2023-12-25 13:20:19,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256516025] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:19,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:19,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:19,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321075694] [2023-12-25 13:20:19,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:19,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:19,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:19,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:19,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:19,887 INFO L87 Difference]: Start difference. First operand 3565 states and 5918 transitions. Second operand has 5 states, 5 states have (on average 205.2) internal successors, (1026), 5 states have internal predecessors, (1026), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:20,715 INFO L93 Difference]: Finished difference Result 6322 states and 10490 transitions. [2023-12-25 13:20:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 205.2) internal successors, (1026), 5 states have internal predecessors, (1026), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1058 [2023-12-25 13:20:20,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:20,720 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:20,720 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:20,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:20,723 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5878 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5885 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:20,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5885 Valid, 10808 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:20,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6600112485939258) internal successors, (5903), 3556 states have internal predecessors, (5903), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5917 transitions. [2023-12-25 13:20:20,752 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5917 transitions. Word has length 1058 [2023-12-25 13:20:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:20,753 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5917 transitions. [2023-12-25 13:20:20,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.2) internal successors, (1026), 5 states have internal predecessors, (1026), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5917 transitions. [2023-12-25 13:20:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2023-12-25 13:20:20,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:20,762 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:20,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-25 13:20:20,762 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:20,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:20,762 INFO L85 PathProgramCache]: Analyzing trace with hash -998508989, now seen corresponding path program 1 times [2023-12-25 13:20:20,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:20,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76029347] [2023-12-25 13:20:20,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:22,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:22,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76029347] [2023-12-25 13:20:22,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76029347] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:22,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:22,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:22,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031955479] [2023-12-25 13:20:22,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:22,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:22,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:22,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:22,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:22,546 INFO L87 Difference]: Start difference. First operand 3565 states and 5917 transitions. Second operand has 5 states, 5 states have (on average 205.4) internal successors, (1027), 5 states have internal predecessors, (1027), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:23,235 INFO L93 Difference]: Finished difference Result 6322 states and 10488 transitions. [2023-12-25 13:20:23,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:23,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 205.4) internal successors, (1027), 5 states have internal predecessors, (1027), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1059 [2023-12-25 13:20:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:23,252 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:23,253 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:23,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:23,256 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 11062 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11069 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:23,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11069 Valid, 10798 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:20:23,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6597300337457819) internal successors, (5902), 3556 states have internal predecessors, (5902), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5916 transitions. [2023-12-25 13:20:23,292 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5916 transitions. Word has length 1059 [2023-12-25 13:20:23,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:23,292 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5916 transitions. [2023-12-25 13:20:23,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.4) internal successors, (1027), 5 states have internal predecessors, (1027), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5916 transitions. [2023-12-25 13:20:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2023-12-25 13:20:23,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:23,301 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:23,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-25 13:20:23,301 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:23,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash 813798019, now seen corresponding path program 1 times [2023-12-25 13:20:23,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:23,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67113513] [2023-12-25 13:20:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:25,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:25,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67113513] [2023-12-25 13:20:25,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67113513] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:25,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:25,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:25,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193921876] [2023-12-25 13:20:25,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:25,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:25,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:25,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:25,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:25,351 INFO L87 Difference]: Start difference. First operand 3565 states and 5916 transitions. Second operand has 5 states, 5 states have (on average 205.6) internal successors, (1028), 5 states have internal predecessors, (1028), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:26,137 INFO L93 Difference]: Finished difference Result 6322 states and 10486 transitions. [2023-12-25 13:20:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:26,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 205.6) internal successors, (1028), 5 states have internal predecessors, (1028), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1060 [2023-12-25 13:20:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:26,141 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:26,141 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:26,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:26,144 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 11054 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11061 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:26,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11061 Valid, 10798 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:26,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6594488188976377) internal successors, (5901), 3556 states have internal predecessors, (5901), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5915 transitions. [2023-12-25 13:20:26,180 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5915 transitions. Word has length 1060 [2023-12-25 13:20:26,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:26,181 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5915 transitions. [2023-12-25 13:20:26,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.6) internal successors, (1028), 5 states have internal predecessors, (1028), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5915 transitions. [2023-12-25 13:20:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1062 [2023-12-25 13:20:26,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:26,190 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:26,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-25 13:20:26,190 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:26,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:26,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1842519581, now seen corresponding path program 1 times [2023-12-25 13:20:26,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:26,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505662521] [2023-12-25 13:20:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:26,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:28,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:28,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505662521] [2023-12-25 13:20:28,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505662521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:28,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:28,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:28,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769411123] [2023-12-25 13:20:28,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:28,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:28,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:28,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:28,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:28,004 INFO L87 Difference]: Start difference. First operand 3565 states and 5915 transitions. Second operand has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:28,798 INFO L93 Difference]: Finished difference Result 6322 states and 10484 transitions. [2023-12-25 13:20:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:28,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1061 [2023-12-25 13:20:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:28,802 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:28,802 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:28,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:28,805 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5866 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5873 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:28,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5873 Valid, 10808 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:28,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6591676040494938) internal successors, (5900), 3556 states have internal predecessors, (5900), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5914 transitions. [2023-12-25 13:20:28,839 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5914 transitions. Word has length 1061 [2023-12-25 13:20:28,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:28,840 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5914 transitions. [2023-12-25 13:20:28,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5914 transitions. [2023-12-25 13:20:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1063 [2023-12-25 13:20:28,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:28,848 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:28,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-25 13:20:28,849 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:28,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:28,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1117760483, now seen corresponding path program 1 times [2023-12-25 13:20:28,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:28,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085934830] [2023-12-25 13:20:28,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:28,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:30,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:30,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085934830] [2023-12-25 13:20:30,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085934830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:30,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:30,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:30,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900136254] [2023-12-25 13:20:30,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:30,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:30,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:30,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:30,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:30,659 INFO L87 Difference]: Start difference. First operand 3565 states and 5914 transitions. Second operand has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:31,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:31,431 INFO L93 Difference]: Finished difference Result 6322 states and 10482 transitions. [2023-12-25 13:20:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:31,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1062 [2023-12-25 13:20:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:31,435 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:31,435 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:31,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:31,438 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5862 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5869 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:31,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5869 Valid, 10808 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:31,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:31,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.65888638920135) internal successors, (5899), 3556 states have internal predecessors, (5899), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5913 transitions. [2023-12-25 13:20:31,474 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5913 transitions. Word has length 1062 [2023-12-25 13:20:31,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:31,475 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5913 transitions. [2023-12-25 13:20:31,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5913 transitions. [2023-12-25 13:20:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1064 [2023-12-25 13:20:31,484 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:31,484 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:31,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-25 13:20:31,484 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:31,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:31,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1575322889, now seen corresponding path program 1 times [2023-12-25 13:20:31,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:31,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270407864] [2023-12-25 13:20:31,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:31,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:33,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:33,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270407864] [2023-12-25 13:20:33,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270407864] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:33,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:33,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:33,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256355096] [2023-12-25 13:20:33,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:33,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:33,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:33,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:33,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:33,306 INFO L87 Difference]: Start difference. First operand 3565 states and 5913 transitions. Second operand has 5 states, 5 states have (on average 206.2) internal successors, (1031), 5 states have internal predecessors, (1031), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:33,890 INFO L93 Difference]: Finished difference Result 6322 states and 10480 transitions. [2023-12-25 13:20:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:33,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.2) internal successors, (1031), 5 states have internal predecessors, (1031), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1063 [2023-12-25 13:20:33,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:33,894 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:33,894 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:33,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:33,896 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5858 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5865 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:33,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5865 Valid, 10808 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:20:33,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6586051743532058) internal successors, (5898), 3556 states have internal predecessors, (5898), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5912 transitions. [2023-12-25 13:20:33,927 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5912 transitions. Word has length 1063 [2023-12-25 13:20:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:33,928 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5912 transitions. [2023-12-25 13:20:33,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.2) internal successors, (1031), 5 states have internal predecessors, (1031), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5912 transitions. [2023-12-25 13:20:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2023-12-25 13:20:33,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:33,936 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:33,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-25 13:20:33,937 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:33,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:33,938 INFO L85 PathProgramCache]: Analyzing trace with hash -22299977, now seen corresponding path program 1 times [2023-12-25 13:20:33,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:33,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131340711] [2023-12-25 13:20:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:35,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:35,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131340711] [2023-12-25 13:20:35,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131340711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:35,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:35,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:35,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619337178] [2023-12-25 13:20:35,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:35,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:35,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:35,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:35,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:35,693 INFO L87 Difference]: Start difference. First operand 3565 states and 5912 transitions. Second operand has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:36,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:36,272 INFO L93 Difference]: Finished difference Result 6322 states and 10478 transitions. [2023-12-25 13:20:36,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:36,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1064 [2023-12-25 13:20:36,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:36,276 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:36,276 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:36,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:36,280 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 11022 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11029 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:36,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11029 Valid, 10798 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:20:36,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:36,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6583239595050618) internal successors, (5897), 3556 states have internal predecessors, (5897), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5911 transitions. [2023-12-25 13:20:36,310 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5911 transitions. Word has length 1064 [2023-12-25 13:20:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:36,310 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5911 transitions. [2023-12-25 13:20:36,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5911 transitions. [2023-12-25 13:20:36,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2023-12-25 13:20:36,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:36,319 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:36,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-25 13:20:36,319 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:36,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:36,319 INFO L85 PathProgramCache]: Analyzing trace with hash 155716817, now seen corresponding path program 1 times [2023-12-25 13:20:36,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:36,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955428909] [2023-12-25 13:20:36,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:36,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:38,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:38,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955428909] [2023-12-25 13:20:38,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955428909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:38,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:38,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:38,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059181361] [2023-12-25 13:20:38,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:38,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:38,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:38,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:38,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:38,208 INFO L87 Difference]: Start difference. First operand 3565 states and 5911 transitions. Second operand has 5 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:38,920 INFO L93 Difference]: Finished difference Result 6322 states and 10476 transitions. [2023-12-25 13:20:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:38,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1065 [2023-12-25 13:20:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:38,924 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:38,924 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:38,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:38,927 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5850 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5857 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:38,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5857 Valid, 10808 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:20:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:38,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.658042744656918) internal successors, (5896), 3556 states have internal predecessors, (5896), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5910 transitions. [2023-12-25 13:20:38,956 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5910 transitions. Word has length 1065 [2023-12-25 13:20:38,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:38,956 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5910 transitions. [2023-12-25 13:20:38,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:38,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5910 transitions. [2023-12-25 13:20:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2023-12-25 13:20:38,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:38,965 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:38,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-25 13:20:38,965 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:38,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:38,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1414773167, now seen corresponding path program 1 times [2023-12-25 13:20:38,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:38,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466275394] [2023-12-25 13:20:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:40,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:40,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466275394] [2023-12-25 13:20:40,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466275394] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:40,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:40,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625953334] [2023-12-25 13:20:40,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:40,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:40,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:40,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:40,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:40,770 INFO L87 Difference]: Start difference. First operand 3565 states and 5910 transitions. Second operand has 5 states, 5 states have (on average 206.8) internal successors, (1034), 5 states have internal predecessors, (1034), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:41,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:41,552 INFO L93 Difference]: Finished difference Result 6322 states and 10474 transitions. [2023-12-25 13:20:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:41,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.8) internal successors, (1034), 5 states have internal predecessors, (1034), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1066 [2023-12-25 13:20:41,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:41,556 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:41,556 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:41,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:41,562 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5846 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5853 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:41,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5853 Valid, 10808 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:41,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:41,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.657761529808774) internal successors, (5895), 3556 states have internal predecessors, (5895), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5909 transitions. [2023-12-25 13:20:41,611 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5909 transitions. Word has length 1066 [2023-12-25 13:20:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:41,611 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5909 transitions. [2023-12-25 13:20:41,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.8) internal successors, (1034), 5 states have internal predecessors, (1034), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5909 transitions. [2023-12-25 13:20:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2023-12-25 13:20:41,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:41,620 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:41,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-25 13:20:41,620 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:41,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:41,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2098189227, now seen corresponding path program 1 times [2023-12-25 13:20:41,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:41,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181944223] [2023-12-25 13:20:41,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:41,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:43,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:43,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181944223] [2023-12-25 13:20:43,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181944223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:43,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:43,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:43,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998065504] [2023-12-25 13:20:43,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:43,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:43,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:43,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:43,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:43,581 INFO L87 Difference]: Start difference. First operand 3565 states and 5909 transitions. Second operand has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:44,328 INFO L93 Difference]: Finished difference Result 6322 states and 10472 transitions. [2023-12-25 13:20:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:44,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1067 [2023-12-25 13:20:44,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:44,332 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:44,332 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:44,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:44,334 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5839 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5846 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:44,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5846 Valid, 10808 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:44,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6574803149606299) internal successors, (5894), 3556 states have internal predecessors, (5894), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5908 transitions. [2023-12-25 13:20:44,362 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5908 transitions. Word has length 1067 [2023-12-25 13:20:44,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:44,363 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5908 transitions. [2023-12-25 13:20:44,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5908 transitions. [2023-12-25 13:20:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2023-12-25 13:20:44,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:44,371 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:44,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-25 13:20:44,371 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:44,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1006630157, now seen corresponding path program 1 times [2023-12-25 13:20:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211118707] [2023-12-25 13:20:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:46,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:46,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211118707] [2023-12-25 13:20:46,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211118707] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:46,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:46,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:46,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440449960] [2023-12-25 13:20:46,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:46,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:46,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:46,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:46,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:46,144 INFO L87 Difference]: Start difference. First operand 3565 states and 5908 transitions. Second operand has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:46,952 INFO L93 Difference]: Finished difference Result 6322 states and 10470 transitions. [2023-12-25 13:20:46,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:46,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1068 [2023-12-25 13:20:46,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:46,955 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:46,955 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:46,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:46,958 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5835 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:46,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 10808 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:46,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:46,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.657199100112486) internal successors, (5893), 3556 states have internal predecessors, (5893), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5907 transitions. [2023-12-25 13:20:46,988 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5907 transitions. Word has length 1068 [2023-12-25 13:20:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:46,988 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5907 transitions. [2023-12-25 13:20:46,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5907 transitions. [2023-12-25 13:20:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2023-12-25 13:20:46,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:46,997 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:46,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-25 13:20:46,997 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:46,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:46,997 INFO L85 PathProgramCache]: Analyzing trace with hash 340527697, now seen corresponding path program 1 times [2023-12-25 13:20:46,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:46,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998789129] [2023-12-25 13:20:46,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:46,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:48,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:48,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998789129] [2023-12-25 13:20:48,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998789129] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:48,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:48,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:48,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209502794] [2023-12-25 13:20:48,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:48,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:48,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:48,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:48,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:48,915 INFO L87 Difference]: Start difference. First operand 3565 states and 5907 transitions. Second operand has 5 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:49,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:49,629 INFO L93 Difference]: Finished difference Result 6322 states and 10468 transitions. [2023-12-25 13:20:49,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:49,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1069 [2023-12-25 13:20:49,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:49,632 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:49,633 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:49,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:49,635 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5831 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5838 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:49,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5838 Valid, 10808 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:20:49,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.656917885264342) internal successors, (5892), 3556 states have internal predecessors, (5892), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5906 transitions. [2023-12-25 13:20:49,662 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5906 transitions. Word has length 1069 [2023-12-25 13:20:49,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:49,662 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5906 transitions. [2023-12-25 13:20:49,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5906 transitions. [2023-12-25 13:20:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2023-12-25 13:20:49,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:49,671 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:49,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-25 13:20:49,671 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:49,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:49,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1981413005, now seen corresponding path program 1 times [2023-12-25 13:20:49,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:49,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777181982] [2023-12-25 13:20:49,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:51,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:51,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777181982] [2023-12-25 13:20:51,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777181982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:51,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:51,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:51,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539278819] [2023-12-25 13:20:51,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:51,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:51,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:51,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:51,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:51,600 INFO L87 Difference]: Start difference. First operand 3565 states and 5906 transitions. Second operand has 5 states, 5 states have (on average 207.6) internal successors, (1038), 5 states have internal predecessors, (1038), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:52,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:52,293 INFO L93 Difference]: Finished difference Result 6322 states and 10466 transitions. [2023-12-25 13:20:52,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:52,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.6) internal successors, (1038), 5 states have internal predecessors, (1038), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1070 [2023-12-25 13:20:52,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:52,297 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:52,297 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:52,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:52,299 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5827 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5834 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:52,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5834 Valid, 10808 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:20:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6566366704161979) internal successors, (5891), 3556 states have internal predecessors, (5891), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5905 transitions. [2023-12-25 13:20:52,334 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5905 transitions. Word has length 1070 [2023-12-25 13:20:52,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:52,334 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5905 transitions. [2023-12-25 13:20:52,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.6) internal successors, (1038), 5 states have internal predecessors, (1038), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5905 transitions. [2023-12-25 13:20:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1072 [2023-12-25 13:20:52,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:52,343 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:52,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-25 13:20:52,343 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:52,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:52,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1518003209, now seen corresponding path program 1 times [2023-12-25 13:20:52,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:52,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469189259] [2023-12-25 13:20:52,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:52,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:54,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:54,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469189259] [2023-12-25 13:20:54,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469189259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:54,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:54,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:54,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376622473] [2023-12-25 13:20:54,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:54,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:54,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:54,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:54,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:54,476 INFO L87 Difference]: Start difference. First operand 3565 states and 5905 transitions. Second operand has 5 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:55,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:55,238 INFO L93 Difference]: Finished difference Result 6322 states and 10464 transitions. [2023-12-25 13:20:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:55,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1071 [2023-12-25 13:20:55,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:55,242 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:55,242 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:55,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:55,245 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10960 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10967 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:55,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10967 Valid, 10798 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:55,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:55,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.656355455568054) internal successors, (5890), 3556 states have internal predecessors, (5890), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5904 transitions. [2023-12-25 13:20:55,276 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5904 transitions. Word has length 1071 [2023-12-25 13:20:55,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:55,277 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5904 transitions. [2023-12-25 13:20:55,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5904 transitions. [2023-12-25 13:20:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1073 [2023-12-25 13:20:55,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:55,285 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:55,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-25 13:20:55,285 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:55,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash -623269671, now seen corresponding path program 1 times [2023-12-25 13:20:55,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:55,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178342121] [2023-12-25 13:20:55,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:55,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:57,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:57,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178342121] [2023-12-25 13:20:57,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178342121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:57,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:57,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:57,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480969379] [2023-12-25 13:20:57,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:57,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:57,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:57,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:57,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:57,063 INFO L87 Difference]: Start difference. First operand 3565 states and 5904 transitions. Second operand has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:57,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:20:57,940 INFO L93 Difference]: Finished difference Result 6322 states and 10462 transitions. [2023-12-25 13:20:57,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:20:57,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1072 [2023-12-25 13:20:57,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:20:57,943 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:20:57,943 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:20:57,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:20:57,946 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5819 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5826 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:20:57,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5826 Valid, 10808 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:20:57,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:20:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:20:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.65607424071991) internal successors, (5889), 3556 states have internal predecessors, (5889), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:20:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5903 transitions. [2023-12-25 13:20:57,974 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5903 transitions. Word has length 1072 [2023-12-25 13:20:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:20:57,975 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5903 transitions. [2023-12-25 13:20:57,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:20:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5903 transitions. [2023-12-25 13:20:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2023-12-25 13:20:57,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:20:57,984 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:20:57,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-25 13:20:57,984 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:20:57,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:20:57,984 INFO L85 PathProgramCache]: Analyzing trace with hash -824538979, now seen corresponding path program 1 times [2023-12-25 13:20:57,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:20:57,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313658824] [2023-12-25 13:20:57,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:20:57,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:20:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:20:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:20:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:20:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:20:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:20:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:20:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:20:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:20:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:20:59,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:20:59,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313658824] [2023-12-25 13:20:59,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313658824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:20:59,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:20:59,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:20:59,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636536815] [2023-12-25 13:20:59,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:20:59,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:20:59,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:20:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:20:59,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:20:59,792 INFO L87 Difference]: Start difference. First operand 3565 states and 5903 transitions. Second operand has 5 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:00,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:00,495 INFO L93 Difference]: Finished difference Result 6322 states and 10460 transitions. [2023-12-25 13:21:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:00,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1073 [2023-12-25 13:21:00,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:00,499 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:00,499 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:00,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:00,501 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10944 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10951 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:00,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10951 Valid, 10798 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:00,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6557930258717661) internal successors, (5888), 3556 states have internal predecessors, (5888), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5902 transitions. [2023-12-25 13:21:00,530 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5902 transitions. Word has length 1073 [2023-12-25 13:21:00,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:00,530 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5902 transitions. [2023-12-25 13:21:00,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5902 transitions. [2023-12-25 13:21:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2023-12-25 13:21:00,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:00,539 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:00,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-25 13:21:00,539 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:00,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:00,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1054977217, now seen corresponding path program 1 times [2023-12-25 13:21:00,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:00,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827860249] [2023-12-25 13:21:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:00,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:02,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827860249] [2023-12-25 13:21:02,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827860249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:02,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:02,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:02,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292541774] [2023-12-25 13:21:02,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:02,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:02,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:02,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:02,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:02,354 INFO L87 Difference]: Start difference. First operand 3565 states and 5902 transitions. Second operand has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:03,050 INFO L93 Difference]: Finished difference Result 6322 states and 10458 transitions. [2023-12-25 13:21:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:03,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1074 [2023-12-25 13:21:03,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:03,054 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:03,054 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:03,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:03,056 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5811 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5818 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:03,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5818 Valid, 10808 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:03,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.655511811023622) internal successors, (5887), 3556 states have internal predecessors, (5887), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5901 transitions. [2023-12-25 13:21:03,112 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5901 transitions. Word has length 1074 [2023-12-25 13:21:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:03,113 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5901 transitions. [2023-12-25 13:21:03,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5901 transitions. [2023-12-25 13:21:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2023-12-25 13:21:03,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:03,122 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:03,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-25 13:21:03,122 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:03,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash 866897987, now seen corresponding path program 1 times [2023-12-25 13:21:03,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:03,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319574822] [2023-12-25 13:21:03,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:03,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:05,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:05,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319574822] [2023-12-25 13:21:05,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319574822] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:05,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:05,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:05,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813359158] [2023-12-25 13:21:05,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:05,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:05,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:05,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:05,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:05,061 INFO L87 Difference]: Start difference. First operand 3565 states and 5901 transitions. Second operand has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:05,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:05,760 INFO L93 Difference]: Finished difference Result 6322 states and 10456 transitions. [2023-12-25 13:21:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1075 [2023-12-25 13:21:05,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:05,764 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:05,764 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:05,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:05,768 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10928 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10935 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:05,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10935 Valid, 10798 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:05,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:05,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.655230596175478) internal successors, (5886), 3556 states have internal predecessors, (5886), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5900 transitions. [2023-12-25 13:21:05,807 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5900 transitions. Word has length 1075 [2023-12-25 13:21:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:05,808 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5900 transitions. [2023-12-25 13:21:05,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5900 transitions. [2023-12-25 13:21:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2023-12-25 13:21:05,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:05,816 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:05,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-25 13:21:05,817 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:05,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:05,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1556641627, now seen corresponding path program 1 times [2023-12-25 13:21:05,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:05,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412540441] [2023-12-25 13:21:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:07,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:07,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412540441] [2023-12-25 13:21:07,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412540441] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:07,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:07,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:07,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516269997] [2023-12-25 13:21:07,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:07,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:07,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:07,876 INFO L87 Difference]: Start difference. First operand 3565 states and 5900 transitions. Second operand has 5 states, 5 states have (on average 208.8) internal successors, (1044), 5 states have internal predecessors, (1044), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:08,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:08,564 INFO L93 Difference]: Finished difference Result 6322 states and 10454 transitions. [2023-12-25 13:21:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:08,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.8) internal successors, (1044), 5 states have internal predecessors, (1044), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1076 [2023-12-25 13:21:08,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:08,568 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:08,568 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:08,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:08,571 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10920 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10927 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:08,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10927 Valid, 10798 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:08,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:08,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6549493813273342) internal successors, (5885), 3556 states have internal predecessors, (5885), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5899 transitions. [2023-12-25 13:21:08,600 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5899 transitions. Word has length 1076 [2023-12-25 13:21:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:08,601 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5899 transitions. [2023-12-25 13:21:08,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.8) internal successors, (1044), 5 states have internal predecessors, (1044), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5899 transitions. [2023-12-25 13:21:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2023-12-25 13:21:08,609 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:08,610 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:08,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-25 13:21:08,610 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:08,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:08,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1130859799, now seen corresponding path program 1 times [2023-12-25 13:21:08,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:08,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061163317] [2023-12-25 13:21:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:08,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:10,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:10,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061163317] [2023-12-25 13:21:10,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061163317] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:10,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:10,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:10,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461579742] [2023-12-25 13:21:10,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:10,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:10,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:10,505 INFO L87 Difference]: Start difference. First operand 3565 states and 5899 transitions. Second operand has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:11,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:11,201 INFO L93 Difference]: Finished difference Result 6322 states and 10452 transitions. [2023-12-25 13:21:11,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:11,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1077 [2023-12-25 13:21:11,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:11,205 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:11,205 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:11,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:11,207 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5799 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5806 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:11,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5806 Valid, 10808 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:11,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:11,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.65466816647919) internal successors, (5884), 3556 states have internal predecessors, (5884), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5898 transitions. [2023-12-25 13:21:11,243 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5898 transitions. Word has length 1077 [2023-12-25 13:21:11,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:11,244 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5898 transitions. [2023-12-25 13:21:11,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5898 transitions. [2023-12-25 13:21:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1079 [2023-12-25 13:21:11,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:11,253 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:11,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-25 13:21:11,253 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:11,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:11,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1005111563, now seen corresponding path program 1 times [2023-12-25 13:21:11,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:11,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031866089] [2023-12-25 13:21:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:11,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:13,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:13,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031866089] [2023-12-25 13:21:13,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031866089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:13,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:13,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:13,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813498189] [2023-12-25 13:21:13,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:13,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:13,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:13,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:13,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:13,147 INFO L87 Difference]: Start difference. First operand 3565 states and 5898 transitions. Second operand has 5 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:13,817 INFO L93 Difference]: Finished difference Result 6322 states and 10450 transitions. [2023-12-25 13:21:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:13,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1078 [2023-12-25 13:21:13,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:13,820 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:13,820 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:13,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:13,822 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10904 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10911 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:13,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10911 Valid, 10798 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:13,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:13,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.654386951631046) internal successors, (5883), 3556 states have internal predecessors, (5883), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5897 transitions. [2023-12-25 13:21:13,874 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5897 transitions. Word has length 1078 [2023-12-25 13:21:13,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:13,875 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5897 transitions. [2023-12-25 13:21:13,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5897 transitions. [2023-12-25 13:21:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2023-12-25 13:21:13,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:13,883 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:13,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-25 13:21:13,884 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:13,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:13,884 INFO L85 PathProgramCache]: Analyzing trace with hash -679481201, now seen corresponding path program 1 times [2023-12-25 13:21:13,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:13,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729088581] [2023-12-25 13:21:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729088581] [2023-12-25 13:21:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729088581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:15,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:15,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:15,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725347094] [2023-12-25 13:21:15,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:15,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:15,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:15,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:15,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:15,799 INFO L87 Difference]: Start difference. First operand 3565 states and 5897 transitions. Second operand has 5 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:16,563 INFO L93 Difference]: Finished difference Result 6322 states and 10448 transitions. [2023-12-25 13:21:16,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:16,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1079 [2023-12-25 13:21:16,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:16,567 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:16,567 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:16,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:16,570 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5791 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5798 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:16,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5798 Valid, 10808 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:16,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:16,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6541057367829022) internal successors, (5882), 3556 states have internal predecessors, (5882), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5896 transitions. [2023-12-25 13:21:16,600 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5896 transitions. Word has length 1079 [2023-12-25 13:21:16,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:16,600 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5896 transitions. [2023-12-25 13:21:16,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:16,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5896 transitions. [2023-12-25 13:21:16,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2023-12-25 13:21:16,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:16,609 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:16,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-25 13:21:16,609 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:16,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:16,609 INFO L85 PathProgramCache]: Analyzing trace with hash 439719025, now seen corresponding path program 1 times [2023-12-25 13:21:16,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:16,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133497947] [2023-12-25 13:21:16,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:16,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133497947] [2023-12-25 13:21:18,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133497947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:18,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:18,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502483808] [2023-12-25 13:21:18,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:18,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:18,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:18,517 INFO L87 Difference]: Start difference. First operand 3565 states and 5896 transitions. Second operand has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:19,250 INFO L93 Difference]: Finished difference Result 6322 states and 10446 transitions. [2023-12-25 13:21:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:19,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1080 [2023-12-25 13:21:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:19,254 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:19,254 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:19,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:19,257 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5787 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5794 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:19,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5794 Valid, 10808 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6538245219347583) internal successors, (5881), 3556 states have internal predecessors, (5881), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5895 transitions. [2023-12-25 13:21:19,286 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5895 transitions. Word has length 1080 [2023-12-25 13:21:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:19,287 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5895 transitions. [2023-12-25 13:21:19,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5895 transitions. [2023-12-25 13:21:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2023-12-25 13:21:19,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:19,306 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:19,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-25 13:21:19,306 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:19,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:19,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1216231115, now seen corresponding path program 1 times [2023-12-25 13:21:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:19,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837631741] [2023-12-25 13:21:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:21,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:21,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837631741] [2023-12-25 13:21:21,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837631741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:21,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:21,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:21,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587149958] [2023-12-25 13:21:21,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:21,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:21,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:21,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:21,377 INFO L87 Difference]: Start difference. First operand 3565 states and 5895 transitions. Second operand has 5 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:25,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-25 13:21:26,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:26,164 INFO L93 Difference]: Finished difference Result 6322 states and 10444 transitions. [2023-12-25 13:21:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:26,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1081 [2023-12-25 13:21:26,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:26,168 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:26,168 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:26,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:26,170 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5783 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5790 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:26,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5790 Valid, 10808 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 987 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 13:21:26,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:26,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6535433070866141) internal successors, (5880), 3556 states have internal predecessors, (5880), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5894 transitions. [2023-12-25 13:21:26,205 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5894 transitions. Word has length 1081 [2023-12-25 13:21:26,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:26,206 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5894 transitions. [2023-12-25 13:21:26,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:26,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5894 transitions. [2023-12-25 13:21:26,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083 [2023-12-25 13:21:26,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:26,214 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:26,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-25 13:21:26,215 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:26,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:26,215 INFO L85 PathProgramCache]: Analyzing trace with hash 560032471, now seen corresponding path program 1 times [2023-12-25 13:21:26,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:26,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256967419] [2023-12-25 13:21:26,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:28,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:28,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256967419] [2023-12-25 13:21:28,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256967419] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:28,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:28,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:28,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855283978] [2023-12-25 13:21:28,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:28,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:28,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:28,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:28,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:28,465 INFO L87 Difference]: Start difference. First operand 3565 states and 5894 transitions. Second operand has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:29,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:29,268 INFO L93 Difference]: Finished difference Result 6322 states and 10442 transitions. [2023-12-25 13:21:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:29,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1082 [2023-12-25 13:21:29,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:29,272 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:29,272 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:29,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:29,276 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10618 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10625 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:29,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10625 Valid, 10798 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:29,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6532620922384702) internal successors, (5879), 3556 states have internal predecessors, (5879), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5893 transitions. [2023-12-25 13:21:29,312 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5893 transitions. Word has length 1082 [2023-12-25 13:21:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:29,314 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5893 transitions. [2023-12-25 13:21:29,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5893 transitions. [2023-12-25 13:21:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1084 [2023-12-25 13:21:29,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:29,325 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:29,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-25 13:21:29,326 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:29,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:29,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1783908609, now seen corresponding path program 1 times [2023-12-25 13:21:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:29,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373619851] [2023-12-25 13:21:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:29,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:31,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:31,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373619851] [2023-12-25 13:21:31,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373619851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:31,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:31,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:31,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288677474] [2023-12-25 13:21:31,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:31,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:31,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:31,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:31,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:31,339 INFO L87 Difference]: Start difference. First operand 3565 states and 5893 transitions. Second operand has 5 states, 5 states have (on average 210.2) internal successors, (1051), 5 states have internal predecessors, (1051), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:32,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:32,097 INFO L93 Difference]: Finished difference Result 6322 states and 10440 transitions. [2023-12-25 13:21:32,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:32,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 210.2) internal successors, (1051), 5 states have internal predecessors, (1051), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1083 [2023-12-25 13:21:32,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:32,101 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:32,101 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:32,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:32,104 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5648 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5655 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:32,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5655 Valid, 10808 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:32,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6529808773903263) internal successors, (5878), 3556 states have internal predecessors, (5878), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5892 transitions. [2023-12-25 13:21:32,137 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5892 transitions. Word has length 1083 [2023-12-25 13:21:32,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:32,137 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5892 transitions. [2023-12-25 13:21:32,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 210.2) internal successors, (1051), 5 states have internal predecessors, (1051), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5892 transitions. [2023-12-25 13:21:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2023-12-25 13:21:32,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:32,146 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:32,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-25 13:21:32,147 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:32,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:32,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1320367119, now seen corresponding path program 1 times [2023-12-25 13:21:32,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:32,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880410369] [2023-12-25 13:21:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:34,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:34,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880410369] [2023-12-25 13:21:34,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880410369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:34,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:34,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:34,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177481439] [2023-12-25 13:21:34,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:34,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:34,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:34,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:34,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:34,212 INFO L87 Difference]: Start difference. First operand 3565 states and 5892 transitions. Second operand has 5 states, 5 states have (on average 210.4) internal successors, (1052), 5 states have internal predecessors, (1052), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:34,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:34,986 INFO L93 Difference]: Finished difference Result 6322 states and 10438 transitions. [2023-12-25 13:21:34,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:34,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 210.4) internal successors, (1052), 5 states have internal predecessors, (1052), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1084 [2023-12-25 13:21:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:34,989 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:34,989 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:34,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:34,991 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5644 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5651 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:34,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5651 Valid, 10808 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:34,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:35,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6526996625421821) internal successors, (5877), 3556 states have internal predecessors, (5877), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5891 transitions. [2023-12-25 13:21:35,019 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5891 transitions. Word has length 1084 [2023-12-25 13:21:35,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:35,020 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5891 transitions. [2023-12-25 13:21:35,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 210.4) internal successors, (1052), 5 states have internal predecessors, (1052), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5891 transitions. [2023-12-25 13:21:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2023-12-25 13:21:35,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:35,028 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:35,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-25 13:21:35,028 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:35,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2113761627, now seen corresponding path program 1 times [2023-12-25 13:21:35,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:35,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077186591] [2023-12-25 13:21:35,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:35,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:37,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:37,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077186591] [2023-12-25 13:21:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077186591] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:37,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:37,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:37,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820479716] [2023-12-25 13:21:37,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:37,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:37,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:37,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:37,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:37,212 INFO L87 Difference]: Start difference. First operand 3565 states and 5891 transitions. Second operand has 5 states, 5 states have (on average 210.6) internal successors, (1053), 5 states have internal predecessors, (1053), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:37,929 INFO L93 Difference]: Finished difference Result 6322 states and 10436 transitions. [2023-12-25 13:21:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:37,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 210.6) internal successors, (1053), 5 states have internal predecessors, (1053), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1085 [2023-12-25 13:21:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:37,939 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:37,939 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:37,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:37,941 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10594 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10601 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:37,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10601 Valid, 10798 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:37,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6524184476940382) internal successors, (5876), 3556 states have internal predecessors, (5876), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5890 transitions. [2023-12-25 13:21:37,972 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5890 transitions. Word has length 1085 [2023-12-25 13:21:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:37,972 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5890 transitions. [2023-12-25 13:21:37,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 210.6) internal successors, (1053), 5 states have internal predecessors, (1053), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5890 transitions. [2023-12-25 13:21:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1087 [2023-12-25 13:21:37,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:37,981 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:37,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-25 13:21:37,981 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:37,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:37,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1417482763, now seen corresponding path program 1 times [2023-12-25 13:21:37,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:37,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579650483] [2023-12-25 13:21:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:39,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:39,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579650483] [2023-12-25 13:21:39,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579650483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:39,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:39,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:39,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695281416] [2023-12-25 13:21:39,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:39,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:39,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:39,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:39,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:39,963 INFO L87 Difference]: Start difference. First operand 3565 states and 5890 transitions. Second operand has 5 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:40,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:40,761 INFO L93 Difference]: Finished difference Result 6322 states and 10434 transitions. [2023-12-25 13:21:40,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:40,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1086 [2023-12-25 13:21:40,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:40,765 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:40,765 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:40,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:40,767 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10586 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10593 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:40,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10593 Valid, 10798 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:40,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6521372328458943) internal successors, (5875), 3556 states have internal predecessors, (5875), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5889 transitions. [2023-12-25 13:21:40,797 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5889 transitions. Word has length 1086 [2023-12-25 13:21:40,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:40,797 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5889 transitions. [2023-12-25 13:21:40,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5889 transitions. [2023-12-25 13:21:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2023-12-25 13:21:40,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:40,805 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:40,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-25 13:21:40,806 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:40,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:40,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1695445323, now seen corresponding path program 1 times [2023-12-25 13:21:40,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:40,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733426377] [2023-12-25 13:21:40,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:40,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:42,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733426377] [2023-12-25 13:21:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733426377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:42,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:42,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485753535] [2023-12-25 13:21:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:42,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:42,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:42,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:42,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:42,806 INFO L87 Difference]: Start difference. First operand 3565 states and 5889 transitions. Second operand has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:43,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:43,359 INFO L93 Difference]: Finished difference Result 6322 states and 10432 transitions. [2023-12-25 13:21:43,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:43,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1087 [2023-12-25 13:21:43,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:43,362 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:43,362 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:43,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:43,372 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5632 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5639 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:43,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5639 Valid, 10808 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:21:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6518560179977504) internal successors, (5874), 3556 states have internal predecessors, (5874), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5888 transitions. [2023-12-25 13:21:43,407 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5888 transitions. Word has length 1087 [2023-12-25 13:21:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:43,408 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5888 transitions. [2023-12-25 13:21:43,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5888 transitions. [2023-12-25 13:21:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2023-12-25 13:21:43,417 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:43,417 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:43,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-25 13:21:43,417 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:43,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:43,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1019560667, now seen corresponding path program 1 times [2023-12-25 13:21:43,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:43,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340442990] [2023-12-25 13:21:43,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:43,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:45,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:45,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340442990] [2023-12-25 13:21:45,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340442990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:45,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:45,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:45,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173657701] [2023-12-25 13:21:45,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:45,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:45,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:45,412 INFO L87 Difference]: Start difference. First operand 3565 states and 5888 transitions. Second operand has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:46,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:46,100 INFO L93 Difference]: Finished difference Result 6322 states and 10430 transitions. [2023-12-25 13:21:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:46,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1088 [2023-12-25 13:21:46,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:46,111 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:46,111 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:46,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:46,114 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10570 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10577 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:46,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10577 Valid, 10798 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:46,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6515748031496063) internal successors, (5873), 3556 states have internal predecessors, (5873), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5887 transitions. [2023-12-25 13:21:46,142 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5887 transitions. Word has length 1088 [2023-12-25 13:21:46,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:46,143 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5887 transitions. [2023-12-25 13:21:46,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5887 transitions. [2023-12-25 13:21:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1090 [2023-12-25 13:21:46,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:46,151 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:46,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-25 13:21:46,152 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:46,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash 816128271, now seen corresponding path program 1 times [2023-12-25 13:21:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:46,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083593679] [2023-12-25 13:21:46,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:48,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:48,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083593679] [2023-12-25 13:21:48,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083593679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:48,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:48,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:48,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152218627] [2023-12-25 13:21:48,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:48,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:48,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:48,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:48,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:48,159 INFO L87 Difference]: Start difference. First operand 3565 states and 5887 transitions. Second operand has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:48,948 INFO L93 Difference]: Finished difference Result 6322 states and 10428 transitions. [2023-12-25 13:21:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1089 [2023-12-25 13:21:48,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:48,952 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:48,952 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:48,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:48,956 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5624 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5631 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:48,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5631 Valid, 10808 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:48,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6512935883014623) internal successors, (5872), 3556 states have internal predecessors, (5872), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5886 transitions. [2023-12-25 13:21:48,986 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5886 transitions. Word has length 1089 [2023-12-25 13:21:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:48,987 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5886 transitions. [2023-12-25 13:21:48,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5886 transitions. [2023-12-25 13:21:48,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2023-12-25 13:21:48,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:48,996 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:48,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-25 13:21:48,997 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:48,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:48,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1653493055, now seen corresponding path program 1 times [2023-12-25 13:21:48,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:48,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091275923] [2023-12-25 13:21:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:48,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:51,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:51,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091275923] [2023-12-25 13:21:51,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091275923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:51,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:51,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:51,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287296317] [2023-12-25 13:21:51,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:51,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:51,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:51,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:51,037 INFO L87 Difference]: Start difference. First operand 3565 states and 5886 transitions. Second operand has 5 states, 5 states have (on average 211.6) internal successors, (1058), 5 states have internal predecessors, (1058), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:51,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:51,800 INFO L93 Difference]: Finished difference Result 6322 states and 10426 transitions. [2023-12-25 13:21:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:51,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.6) internal successors, (1058), 5 states have internal predecessors, (1058), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1090 [2023-12-25 13:21:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:51,803 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:51,804 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:51,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:51,806 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5620 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5627 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:51,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5627 Valid, 10808 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:51,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6510123734533184) internal successors, (5871), 3556 states have internal predecessors, (5871), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5885 transitions. [2023-12-25 13:21:51,835 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5885 transitions. Word has length 1090 [2023-12-25 13:21:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:51,836 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5885 transitions. [2023-12-25 13:21:51,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.6) internal successors, (1058), 5 states have internal predecessors, (1058), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5885 transitions. [2023-12-25 13:21:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092 [2023-12-25 13:21:51,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:51,844 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:51,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-25 13:21:51,844 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:51,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:51,845 INFO L85 PathProgramCache]: Analyzing trace with hash -129193879, now seen corresponding path program 1 times [2023-12-25 13:21:51,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:51,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996211733] [2023-12-25 13:21:51,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:53,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:53,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996211733] [2023-12-25 13:21:53,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996211733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:53,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:53,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:53,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091966413] [2023-12-25 13:21:53,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:53,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:53,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:53,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:53,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:53,881 INFO L87 Difference]: Start difference. First operand 3565 states and 5885 transitions. Second operand has 5 states, 5 states have (on average 211.8) internal successors, (1059), 5 states have internal predecessors, (1059), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:54,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:54,636 INFO L93 Difference]: Finished difference Result 6322 states and 10424 transitions. [2023-12-25 13:21:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:54,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.8) internal successors, (1059), 5 states have internal predecessors, (1059), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1091 [2023-12-25 13:21:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:54,639 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:54,639 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:54,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:54,641 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5616 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5623 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:54,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5623 Valid, 10808 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:21:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6507311586051743) internal successors, (5870), 3556 states have internal predecessors, (5870), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5884 transitions. [2023-12-25 13:21:54,666 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5884 transitions. Word has length 1091 [2023-12-25 13:21:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:54,666 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5884 transitions. [2023-12-25 13:21:54,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.8) internal successors, (1059), 5 states have internal predecessors, (1059), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5884 transitions. [2023-12-25 13:21:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2023-12-25 13:21:54,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:54,675 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:54,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-25 13:21:54,676 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:54,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:54,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2076163495, now seen corresponding path program 1 times [2023-12-25 13:21:54,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:54,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86170889] [2023-12-25 13:21:54,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:56,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:56,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86170889] [2023-12-25 13:21:56,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86170889] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:56,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:56,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:56,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945865639] [2023-12-25 13:21:56,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:56,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:56,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:56,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:56,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:56,779 INFO L87 Difference]: Start difference. First operand 3565 states and 5884 transitions. Second operand has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:57,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:21:57,474 INFO L93 Difference]: Finished difference Result 6322 states and 10422 transitions. [2023-12-25 13:21:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:21:57,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1092 [2023-12-25 13:21:57,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:21:57,478 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:21:57,478 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:21:57,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:21:57,480 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5612 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5619 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:21:57,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5619 Valid, 10808 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:21:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:21:57,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:21:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6504499437570304) internal successors, (5869), 3556 states have internal predecessors, (5869), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:21:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5883 transitions. [2023-12-25 13:21:57,507 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5883 transitions. Word has length 1092 [2023-12-25 13:21:57,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:21:57,507 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5883 transitions. [2023-12-25 13:21:57,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:21:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5883 transitions. [2023-12-25 13:21:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2023-12-25 13:21:57,515 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:21:57,515 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:21:57,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-25 13:21:57,516 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:21:57,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:21:57,516 INFO L85 PathProgramCache]: Analyzing trace with hash -186866493, now seen corresponding path program 1 times [2023-12-25 13:21:57,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:21:57,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952626804] [2023-12-25 13:21:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:21:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:21:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:21:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:21:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:21:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:21:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:21:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:21:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:21:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:21:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:21:59,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:21:59,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952626804] [2023-12-25 13:21:59,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952626804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:21:59,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:21:59,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:21:59,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111855168] [2023-12-25 13:21:59,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:21:59,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:21:59,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:21:59,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:21:59,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:21:59,430 INFO L87 Difference]: Start difference. First operand 3565 states and 5883 transitions. Second operand has 5 states, 5 states have (on average 212.2) internal successors, (1061), 5 states have internal predecessors, (1061), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:00,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:00,109 INFO L93 Difference]: Finished difference Result 6322 states and 10420 transitions. [2023-12-25 13:22:00,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:00,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.2) internal successors, (1061), 5 states have internal predecessors, (1061), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1093 [2023-12-25 13:22:00,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:00,114 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:00,114 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:00,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:00,116 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5608 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:00,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5615 Valid, 10808 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:00,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:00,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6501687289088864) internal successors, (5868), 3556 states have internal predecessors, (5868), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5882 transitions. [2023-12-25 13:22:00,144 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5882 transitions. Word has length 1093 [2023-12-25 13:22:00,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:00,144 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5882 transitions. [2023-12-25 13:22:00,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.2) internal successors, (1061), 5 states have internal predecessors, (1061), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5882 transitions. [2023-12-25 13:22:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2023-12-25 13:22:00,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:00,153 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:00,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-25 13:22:00,153 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:00,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:00,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1495720845, now seen corresponding path program 1 times [2023-12-25 13:22:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559850533] [2023-12-25 13:22:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:02,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:02,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559850533] [2023-12-25 13:22:02,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559850533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:02,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:02,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:02,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660044333] [2023-12-25 13:22:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:02,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:02,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:02,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:02,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:02,046 INFO L87 Difference]: Start difference. First operand 3565 states and 5882 transitions. Second operand has 5 states, 5 states have (on average 212.4) internal successors, (1062), 5 states have internal predecessors, (1062), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:02,772 INFO L93 Difference]: Finished difference Result 6322 states and 10418 transitions. [2023-12-25 13:22:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:02,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.4) internal successors, (1062), 5 states have internal predecessors, (1062), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1094 [2023-12-25 13:22:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:02,776 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:02,776 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:02,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:02,778 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5604 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5611 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:02,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5611 Valid, 10808 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:22:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6498875140607423) internal successors, (5867), 3556 states have internal predecessors, (5867), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5881 transitions. [2023-12-25 13:22:02,806 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5881 transitions. Word has length 1094 [2023-12-25 13:22:02,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:02,807 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5881 transitions. [2023-12-25 13:22:02,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.4) internal successors, (1062), 5 states have internal predecessors, (1062), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5881 transitions. [2023-12-25 13:22:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2023-12-25 13:22:02,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:02,815 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:02,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-25 13:22:02,815 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:02,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1930008093, now seen corresponding path program 1 times [2023-12-25 13:22:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:02,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422537790] [2023-12-25 13:22:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:02,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:04,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:04,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422537790] [2023-12-25 13:22:04,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422537790] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:04,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:04,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:04,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018820683] [2023-12-25 13:22:04,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:04,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:04,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:04,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:04,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:04,846 INFO L87 Difference]: Start difference. First operand 3565 states and 5881 transitions. Second operand has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:05,567 INFO L93 Difference]: Finished difference Result 6322 states and 10416 transitions. [2023-12-25 13:22:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:05,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1095 [2023-12-25 13:22:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:05,570 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:05,570 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:05,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:05,572 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10514 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10521 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:05,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10521 Valid, 10798 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:22:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6496062992125984) internal successors, (5866), 3556 states have internal predecessors, (5866), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5880 transitions. [2023-12-25 13:22:05,599 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5880 transitions. Word has length 1095 [2023-12-25 13:22:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:05,599 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5880 transitions. [2023-12-25 13:22:05,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5880 transitions. [2023-12-25 13:22:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2023-12-25 13:22:05,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:05,607 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:05,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-25 13:22:05,607 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:05,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1247716467, now seen corresponding path program 1 times [2023-12-25 13:22:05,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:05,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583626757] [2023-12-25 13:22:05,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:07,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:07,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583626757] [2023-12-25 13:22:07,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583626757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:07,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:07,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:07,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923429932] [2023-12-25 13:22:07,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:07,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:07,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:07,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:07,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:07,686 INFO L87 Difference]: Start difference. First operand 3565 states and 5880 transitions. Second operand has 5 states, 5 states have (on average 212.8) internal successors, (1064), 5 states have internal predecessors, (1064), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:08,333 INFO L93 Difference]: Finished difference Result 6322 states and 10414 transitions. [2023-12-25 13:22:08,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:08,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.8) internal successors, (1064), 5 states have internal predecessors, (1064), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1096 [2023-12-25 13:22:08,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:08,336 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:08,336 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:08,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:08,340 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5596 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5603 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:08,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5603 Valid, 10808 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:08,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:08,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6493250843644545) internal successors, (5865), 3556 states have internal predecessors, (5865), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5879 transitions. [2023-12-25 13:22:08,382 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5879 transitions. Word has length 1096 [2023-12-25 13:22:08,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:08,382 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5879 transitions. [2023-12-25 13:22:08,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.8) internal successors, (1064), 5 states have internal predecessors, (1064), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5879 transitions. [2023-12-25 13:22:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2023-12-25 13:22:08,390 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:08,391 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-25 13:22:08,391 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:08,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:08,391 INFO L85 PathProgramCache]: Analyzing trace with hash 155712631, now seen corresponding path program 1 times [2023-12-25 13:22:08,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:08,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941000786] [2023-12-25 13:22:08,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:08,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941000786] [2023-12-25 13:22:10,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941000786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:10,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:10,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:10,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631231510] [2023-12-25 13:22:10,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:10,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:10,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:10,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:10,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:10,596 INFO L87 Difference]: Start difference. First operand 3565 states and 5879 transitions. Second operand has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:11,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:11,270 INFO L93 Difference]: Finished difference Result 6322 states and 10412 transitions. [2023-12-25 13:22:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:11,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1097 [2023-12-25 13:22:11,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:11,273 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:11,274 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:11,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:11,276 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10498 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10505 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:11,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10505 Valid, 10798 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:11,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6490438695163105) internal successors, (5864), 3556 states have internal predecessors, (5864), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5878 transitions. [2023-12-25 13:22:11,304 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5878 transitions. Word has length 1097 [2023-12-25 13:22:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:11,304 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5878 transitions. [2023-12-25 13:22:11,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5878 transitions. [2023-12-25 13:22:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1099 [2023-12-25 13:22:11,312 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:11,313 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:11,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-25 13:22:11,313 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:11,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:11,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1218543527, now seen corresponding path program 1 times [2023-12-25 13:22:11,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:11,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953139856] [2023-12-25 13:22:11,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:11,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:13,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:13,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953139856] [2023-12-25 13:22:13,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953139856] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:13,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:13,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:13,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269225009] [2023-12-25 13:22:13,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:13,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:13,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:13,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:13,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:13,585 INFO L87 Difference]: Start difference. First operand 3565 states and 5878 transitions. Second operand has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:14,097 INFO L93 Difference]: Finished difference Result 6322 states and 10410 transitions. [2023-12-25 13:22:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:14,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1098 [2023-12-25 13:22:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:14,105 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:14,105 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:14,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:14,107 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10490 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10497 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:14,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10497 Valid, 10798 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:22:14,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:14,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6487626546681664) internal successors, (5863), 3556 states have internal predecessors, (5863), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5877 transitions. [2023-12-25 13:22:14,134 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5877 transitions. Word has length 1098 [2023-12-25 13:22:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:14,135 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5877 transitions. [2023-12-25 13:22:14,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5877 transitions. [2023-12-25 13:22:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2023-12-25 13:22:14,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:14,143 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:14,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-25 13:22:14,143 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:14,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:14,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1748215855, now seen corresponding path program 1 times [2023-12-25 13:22:14,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:14,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001210540] [2023-12-25 13:22:14,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:16,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:16,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001210540] [2023-12-25 13:22:16,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001210540] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:16,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:16,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:16,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102268970] [2023-12-25 13:22:16,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:16,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:16,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:16,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:16,090 INFO L87 Difference]: Start difference. First operand 3565 states and 5877 transitions. Second operand has 5 states, 5 states have (on average 213.4) internal successors, (1067), 5 states have internal predecessors, (1067), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:16,634 INFO L93 Difference]: Finished difference Result 6322 states and 10408 transitions. [2023-12-25 13:22:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:16,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.4) internal successors, (1067), 5 states have internal predecessors, (1067), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1099 [2023-12-25 13:22:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:16,638 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:16,638 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:16,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:16,639 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10482 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10489 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:16,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10489 Valid, 10798 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:22:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6484814398200225) internal successors, (5862), 3556 states have internal predecessors, (5862), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5876 transitions. [2023-12-25 13:22:16,671 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5876 transitions. Word has length 1099 [2023-12-25 13:22:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:16,672 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5876 transitions. [2023-12-25 13:22:16,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.4) internal successors, (1067), 5 states have internal predecessors, (1067), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5876 transitions. [2023-12-25 13:22:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2023-12-25 13:22:16,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:16,680 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:16,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-25 13:22:16,680 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:16,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash -459142975, now seen corresponding path program 1 times [2023-12-25 13:22:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:16,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20589214] [2023-12-25 13:22:16,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:18,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20589214] [2023-12-25 13:22:18,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20589214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:18,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:18,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:18,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256939229] [2023-12-25 13:22:18,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:18,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:18,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:18,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:18,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:18,718 INFO L87 Difference]: Start difference. First operand 3565 states and 5876 transitions. Second operand has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:19,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:19,411 INFO L93 Difference]: Finished difference Result 6322 states and 10406 transitions. [2023-12-25 13:22:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:19,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1100 [2023-12-25 13:22:19,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:19,415 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:19,415 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:19,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:19,417 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10474 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10481 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:19,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10481 Valid, 10798 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:19,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6482002249718786) internal successors, (5861), 3556 states have internal predecessors, (5861), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5875 transitions. [2023-12-25 13:22:19,444 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5875 transitions. Word has length 1100 [2023-12-25 13:22:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:19,445 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5875 transitions. [2023-12-25 13:22:19,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5875 transitions. [2023-12-25 13:22:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1102 [2023-12-25 13:22:19,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:19,453 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:19,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-25 13:22:19,453 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:19,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:19,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1217079339, now seen corresponding path program 1 times [2023-12-25 13:22:19,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:19,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870244837] [2023-12-25 13:22:19,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:19,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:21,441 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:21,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:21,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870244837] [2023-12-25 13:22:21,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870244837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:21,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:21,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:21,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142786807] [2023-12-25 13:22:21,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:21,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:21,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:21,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:21,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:21,443 INFO L87 Difference]: Start difference. First operand 3565 states and 5875 transitions. Second operand has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:22,133 INFO L93 Difference]: Finished difference Result 6322 states and 10404 transitions. [2023-12-25 13:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:22,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1101 [2023-12-25 13:22:22,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:22,136 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:22,137 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:22,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:22,139 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5576 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5583 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:22,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5583 Valid, 10808 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:22,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6479190101237344) internal successors, (5860), 3556 states have internal predecessors, (5860), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5874 transitions. [2023-12-25 13:22:22,173 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5874 transitions. Word has length 1101 [2023-12-25 13:22:22,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:22,174 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5874 transitions. [2023-12-25 13:22:22,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5874 transitions. [2023-12-25 13:22:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1103 [2023-12-25 13:22:22,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:22,184 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:22,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-25 13:22:22,184 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:22,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash 992704219, now seen corresponding path program 1 times [2023-12-25 13:22:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:22,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975549520] [2023-12-25 13:22:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:24,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:24,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975549520] [2023-12-25 13:22:24,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975549520] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:24,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:24,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318985227] [2023-12-25 13:22:24,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:24,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:24,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:24,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:24,255 INFO L87 Difference]: Start difference. First operand 3565 states and 5874 transitions. Second operand has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:24,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:24,961 INFO L93 Difference]: Finished difference Result 6322 states and 10402 transitions. [2023-12-25 13:22:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:24,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1102 [2023-12-25 13:22:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:24,964 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:24,964 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:24,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:24,966 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10458 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10465 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:24,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10465 Valid, 10798 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6476377952755905) internal successors, (5859), 3556 states have internal predecessors, (5859), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5873 transitions. [2023-12-25 13:22:24,995 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5873 transitions. Word has length 1102 [2023-12-25 13:22:24,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:24,995 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5873 transitions. [2023-12-25 13:22:24,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5873 transitions. [2023-12-25 13:22:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2023-12-25 13:22:25,003 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:25,003 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:25,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-25 13:22:25,004 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:25,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:25,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1892094587, now seen corresponding path program 1 times [2023-12-25 13:22:25,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:25,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837965915] [2023-12-25 13:22:25,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:25,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:27,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:27,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837965915] [2023-12-25 13:22:27,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837965915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:27,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:27,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:27,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590367673] [2023-12-25 13:22:27,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:27,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:27,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:27,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:27,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:27,071 INFO L87 Difference]: Start difference. First operand 3565 states and 5873 transitions. Second operand has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:27,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:27,765 INFO L93 Difference]: Finished difference Result 6322 states and 10400 transitions. [2023-12-25 13:22:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:27,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1103 [2023-12-25 13:22:27,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:27,769 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:27,769 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:27,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:27,780 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10450 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10457 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:27,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10457 Valid, 10798 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:27,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6473565804274466) internal successors, (5858), 3556 states have internal predecessors, (5858), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5872 transitions. [2023-12-25 13:22:27,808 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5872 transitions. Word has length 1103 [2023-12-25 13:22:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:27,808 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5872 transitions. [2023-12-25 13:22:27,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5872 transitions. [2023-12-25 13:22:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2023-12-25 13:22:27,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:27,816 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:27,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-25 13:22:27,817 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:27,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:27,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1787185653, now seen corresponding path program 1 times [2023-12-25 13:22:27,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:27,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172993205] [2023-12-25 13:22:27,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:29,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:29,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172993205] [2023-12-25 13:22:29,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172993205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:29,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:29,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:29,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498426021] [2023-12-25 13:22:29,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:29,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:29,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:29,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:29,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:29,766 INFO L87 Difference]: Start difference. First operand 3565 states and 5872 transitions. Second operand has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:30,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:30,482 INFO L93 Difference]: Finished difference Result 6322 states and 10398 transitions. [2023-12-25 13:22:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:30,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1104 [2023-12-25 13:22:30,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:30,485 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:30,485 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:30,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:30,487 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5564 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5571 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:30,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5571 Valid, 10808 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:30,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6470753655793027) internal successors, (5857), 3556 states have internal predecessors, (5857), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5871 transitions. [2023-12-25 13:22:30,513 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5871 transitions. Word has length 1104 [2023-12-25 13:22:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:30,514 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5871 transitions. [2023-12-25 13:22:30,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5871 transitions. [2023-12-25 13:22:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2023-12-25 13:22:30,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:30,522 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:30,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-25 13:22:30,522 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:30,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:30,522 INFO L85 PathProgramCache]: Analyzing trace with hash 692725727, now seen corresponding path program 1 times [2023-12-25 13:22:30,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:30,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781220825] [2023-12-25 13:22:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:32,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:32,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781220825] [2023-12-25 13:22:32,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781220825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:32,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:32,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:32,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009758092] [2023-12-25 13:22:32,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:32,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:32,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:32,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:32,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:32,467 INFO L87 Difference]: Start difference. First operand 3565 states and 5871 transitions. Second operand has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:33,114 INFO L93 Difference]: Finished difference Result 6322 states and 10396 transitions. [2023-12-25 13:22:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:33,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1105 [2023-12-25 13:22:33,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:33,118 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:33,118 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:33,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:33,120 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5560 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5567 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:33,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5567 Valid, 10808 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:33,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6467941507311585) internal successors, (5856), 3556 states have internal predecessors, (5856), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5870 transitions. [2023-12-25 13:22:33,147 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5870 transitions. Word has length 1105 [2023-12-25 13:22:33,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:33,147 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5870 transitions. [2023-12-25 13:22:33,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5870 transitions. [2023-12-25 13:22:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2023-12-25 13:22:33,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:33,155 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:33,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-25 13:22:33,156 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:33,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:33,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1035665935, now seen corresponding path program 1 times [2023-12-25 13:22:33,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:33,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134744156] [2023-12-25 13:22:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:33,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:35,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:35,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134744156] [2023-12-25 13:22:35,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134744156] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:35,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:35,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287334461] [2023-12-25 13:22:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:35,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:35,106 INFO L87 Difference]: Start difference. First operand 3565 states and 5870 transitions. Second operand has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:35,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:35,751 INFO L93 Difference]: Finished difference Result 6322 states and 10394 transitions. [2023-12-25 13:22:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:35,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1106 [2023-12-25 13:22:35,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:35,755 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:35,755 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:35,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:35,757 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5556 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5563 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:35,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5563 Valid, 10808 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:35,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:35,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6465129358830146) internal successors, (5855), 3556 states have internal predecessors, (5855), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5869 transitions. [2023-12-25 13:22:35,784 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5869 transitions. Word has length 1106 [2023-12-25 13:22:35,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:35,785 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5869 transitions. [2023-12-25 13:22:35,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5869 transitions. [2023-12-25 13:22:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1108 [2023-12-25 13:22:35,793 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:35,793 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:35,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-25 13:22:35,793 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:35,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash 502486841, now seen corresponding path program 1 times [2023-12-25 13:22:35,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:35,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289851256] [2023-12-25 13:22:35,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:35,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:37,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:37,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289851256] [2023-12-25 13:22:37,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289851256] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:37,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:37,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:37,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606741906] [2023-12-25 13:22:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:37,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:37,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:37,835 INFO L87 Difference]: Start difference. First operand 3565 states and 5869 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:38,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:38,480 INFO L93 Difference]: Finished difference Result 6322 states and 10392 transitions. [2023-12-25 13:22:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:38,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1107 [2023-12-25 13:22:38,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:38,484 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:38,484 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:38,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:38,486 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10418 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10425 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:38,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10425 Valid, 10798 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:38,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:38,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6462317210348707) internal successors, (5854), 3556 states have internal predecessors, (5854), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5868 transitions. [2023-12-25 13:22:38,514 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5868 transitions. Word has length 1107 [2023-12-25 13:22:38,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:38,514 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5868 transitions. [2023-12-25 13:22:38,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5868 transitions. [2023-12-25 13:22:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2023-12-25 13:22:38,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:38,522 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:38,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-25 13:22:38,523 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:38,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:38,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1821515561, now seen corresponding path program 1 times [2023-12-25 13:22:38,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:38,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432495633] [2023-12-25 13:22:38,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:38,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:40,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432495633] [2023-12-25 13:22:40,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432495633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:40,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:40,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:40,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306195225] [2023-12-25 13:22:40,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:40,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:40,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:40,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:40,607 INFO L87 Difference]: Start difference. First operand 3565 states and 5868 transitions. Second operand has 5 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:41,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:41,300 INFO L93 Difference]: Finished difference Result 6322 states and 10390 transitions. [2023-12-25 13:22:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:41,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1108 [2023-12-25 13:22:41,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:41,304 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:41,304 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:41,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:41,306 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5548 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5555 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:41,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5555 Valid, 10808 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:41,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:41,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6459505061867266) internal successors, (5853), 3556 states have internal predecessors, (5853), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5867 transitions. [2023-12-25 13:22:41,334 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5867 transitions. Word has length 1108 [2023-12-25 13:22:41,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:41,334 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5867 transitions. [2023-12-25 13:22:41,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:41,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5867 transitions. [2023-12-25 13:22:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1110 [2023-12-25 13:22:41,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:41,342 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:41,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-25 13:22:41,343 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:41,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:41,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1104610413, now seen corresponding path program 1 times [2023-12-25 13:22:41,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:41,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894498174] [2023-12-25 13:22:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:41,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:43,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894498174] [2023-12-25 13:22:43,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894498174] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:43,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:43,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:43,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310211419] [2023-12-25 13:22:43,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:43,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:43,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:43,399 INFO L87 Difference]: Start difference. First operand 3565 states and 5867 transitions. Second operand has 5 states, 5 states have (on average 215.4) internal successors, (1077), 5 states have internal predecessors, (1077), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:44,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:44,086 INFO L93 Difference]: Finished difference Result 6322 states and 10388 transitions. [2023-12-25 13:22:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:44,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.4) internal successors, (1077), 5 states have internal predecessors, (1077), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1109 [2023-12-25 13:22:44,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:44,090 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:44,090 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:44,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:44,092 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10402 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10409 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:44,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10409 Valid, 10798 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:44,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6456692913385826) internal successors, (5852), 3556 states have internal predecessors, (5852), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5866 transitions. [2023-12-25 13:22:44,119 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5866 transitions. Word has length 1109 [2023-12-25 13:22:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:44,119 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5866 transitions. [2023-12-25 13:22:44,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.4) internal successors, (1077), 5 states have internal predecessors, (1077), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5866 transitions. [2023-12-25 13:22:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2023-12-25 13:22:44,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:44,127 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:44,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-25 13:22:44,128 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:44,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash -611049149, now seen corresponding path program 1 times [2023-12-25 13:22:44,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:44,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30704203] [2023-12-25 13:22:44,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:44,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:46,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:46,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30704203] [2023-12-25 13:22:46,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30704203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:46,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:46,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:46,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567459426] [2023-12-25 13:22:46,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:46,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:46,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:46,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:46,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:46,249 INFO L87 Difference]: Start difference. First operand 3565 states and 5866 transitions. Second operand has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:46,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:46,936 INFO L93 Difference]: Finished difference Result 6322 states and 10386 transitions. [2023-12-25 13:22:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:46,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1110 [2023-12-25 13:22:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:46,939 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:46,939 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:46,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:46,941 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5540 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:46,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5547 Valid, 10808 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:46,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6453880764904387) internal successors, (5851), 3556 states have internal predecessors, (5851), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5865 transitions. [2023-12-25 13:22:46,984 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5865 transitions. Word has length 1110 [2023-12-25 13:22:46,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:46,984 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5865 transitions. [2023-12-25 13:22:46,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5865 transitions. [2023-12-25 13:22:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2023-12-25 13:22:46,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:46,993 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:46,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-25 13:22:46,993 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:46,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:46,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1533045523, now seen corresponding path program 1 times [2023-12-25 13:22:46,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:46,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444889567] [2023-12-25 13:22:46,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:46,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:49,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:49,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444889567] [2023-12-25 13:22:49,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444889567] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:49,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:49,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:49,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217933746] [2023-12-25 13:22:49,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:49,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:49,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:49,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:49,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:49,084 INFO L87 Difference]: Start difference. First operand 3565 states and 5865 transitions. Second operand has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:49,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:49,795 INFO L93 Difference]: Finished difference Result 6322 states and 10384 transitions. [2023-12-25 13:22:49,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:49,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1111 [2023-12-25 13:22:49,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:49,799 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:49,799 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:49,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:49,803 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 10386 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10393 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:49,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10393 Valid, 10798 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:49,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:49,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6451068616422948) internal successors, (5850), 3556 states have internal predecessors, (5850), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5864 transitions. [2023-12-25 13:22:49,836 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5864 transitions. Word has length 1111 [2023-12-25 13:22:49,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:49,837 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5864 transitions. [2023-12-25 13:22:49,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:49,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5864 transitions. [2023-12-25 13:22:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2023-12-25 13:22:49,845 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:49,845 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:49,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-25 13:22:49,845 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:49,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash -603355043, now seen corresponding path program 1 times [2023-12-25 13:22:49,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:49,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452787163] [2023-12-25 13:22:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:49,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:51,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:51,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452787163] [2023-12-25 13:22:51,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452787163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:51,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:51,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:51,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335913146] [2023-12-25 13:22:51,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:51,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:51,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:51,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:51,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:51,873 INFO L87 Difference]: Start difference. First operand 3565 states and 5864 transitions. Second operand has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:52,536 INFO L93 Difference]: Finished difference Result 6322 states and 10382 transitions. [2023-12-25 13:22:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:52,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1112 [2023-12-25 13:22:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:52,540 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:52,540 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:52,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:52,543 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5532 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5539 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:52,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5539 Valid, 10808 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:22:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6448256467941507) internal successors, (5849), 3556 states have internal predecessors, (5849), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5863 transitions. [2023-12-25 13:22:52,576 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5863 transitions. Word has length 1112 [2023-12-25 13:22:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:52,577 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5863 transitions. [2023-12-25 13:22:52,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5863 transitions. [2023-12-25 13:22:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2023-12-25 13:22:52,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:52,586 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:52,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-25 13:22:52,586 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:52,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:52,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1244945593, now seen corresponding path program 1 times [2023-12-25 13:22:52,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:52,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642604899] [2023-12-25 13:22:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:22:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:22:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:22:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:22:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:22:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:22:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:22:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:22:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:22:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:22:54,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:22:54,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642604899] [2023-12-25 13:22:54,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642604899] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:22:54,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:22:54,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:22:54,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172881531] [2023-12-25 13:22:54,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:22:54,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:22:54,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:22:54,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:22:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:22:54,675 INFO L87 Difference]: Start difference. First operand 3565 states and 5863 transitions. Second operand has 5 states, 5 states have (on average 216.2) internal successors, (1081), 5 states have internal predecessors, (1081), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:59,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-25 13:22:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:22:59,398 INFO L93 Difference]: Finished difference Result 6322 states and 10380 transitions. [2023-12-25 13:22:59,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:22:59,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.2) internal successors, (1081), 5 states have internal predecessors, (1081), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1113 [2023-12-25 13:22:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:22:59,402 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:22:59,402 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:22:59,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:22:59,404 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 5528 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5535 SdHoareTripleChecker+Valid, 10808 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:22:59,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5535 Valid, 10808 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 923 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 13:22:59,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:22:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:22:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6445444319460067) internal successors, (5848), 3556 states have internal predecessors, (5848), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:22:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5862 transitions. [2023-12-25 13:22:59,432 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5862 transitions. Word has length 1113 [2023-12-25 13:22:59,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:22:59,432 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5862 transitions. [2023-12-25 13:22:59,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.2) internal successors, (1081), 5 states have internal predecessors, (1081), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:22:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5862 transitions. [2023-12-25 13:22:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2023-12-25 13:22:59,440 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:22:59,440 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:22:59,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-25 13:22:59,441 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:22:59,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:22:59,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1811600503, now seen corresponding path program 1 times [2023-12-25 13:22:59,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:22:59,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900163731] [2023-12-25 13:22:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:22:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:02,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:02,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900163731] [2023-12-25 13:23:02,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900163731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:02,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:02,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:23:02,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725146343] [2023-12-25 13:23:02,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:02,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:23:02,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:02,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:23:02,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:23:02,267 INFO L87 Difference]: Start difference. First operand 3565 states and 5862 transitions. Second operand has 4 states, 4 states have (on average 270.5) internal successors, (1082), 4 states have internal predecessors, (1082), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:02,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:02,698 INFO L93 Difference]: Finished difference Result 6322 states and 10378 transitions. [2023-12-25 13:23:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:02,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 270.5) internal successors, (1082), 4 states have internal predecessors, (1082), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1114 [2023-12-25 13:23:02,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:02,701 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:02,701 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:02,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:02,704 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5176 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5176 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:02,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5176 Valid, 11180 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:02,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:02,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6442632170978628) internal successors, (5847), 3556 states have internal predecessors, (5847), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5861 transitions. [2023-12-25 13:23:02,739 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5861 transitions. Word has length 1114 [2023-12-25 13:23:02,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:02,739 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5861 transitions. [2023-12-25 13:23:02,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.5) internal successors, (1082), 4 states have internal predecessors, (1082), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5861 transitions. [2023-12-25 13:23:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1116 [2023-12-25 13:23:02,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:02,748 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:02,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-25 13:23:02,749 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:02,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:02,749 INFO L85 PathProgramCache]: Analyzing trace with hash 814138887, now seen corresponding path program 1 times [2023-12-25 13:23:02,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:02,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759869952] [2023-12-25 13:23:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:04,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:04,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759869952] [2023-12-25 13:23:04,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759869952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:04,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:04,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577761085] [2023-12-25 13:23:04,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:04,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:04,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:04,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:04,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:04,799 INFO L87 Difference]: Start difference. First operand 3565 states and 5861 transitions. Second operand has 5 states, 5 states have (on average 216.6) internal successors, (1083), 5 states have internal predecessors, (1083), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:05,141 INFO L93 Difference]: Finished difference Result 6338 states and 10399 transitions. [2023-12-25 13:23:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:23:05,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.6) internal successors, (1083), 5 states have internal predecessors, (1083), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1115 [2023-12-25 13:23:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:05,145 INFO L225 Difference]: With dead ends: 6338 [2023-12-25 13:23:05,145 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:05,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:23:05,147 INFO L413 NwaCegarLoop]: 5841 mSDtfsCounter, 5208 mSDsluCounter, 11439 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5208 SdHoareTripleChecker+Valid, 17280 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:05,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5208 Valid, 17280 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6439820022497187) internal successors, (5846), 3556 states have internal predecessors, (5846), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5860 transitions. [2023-12-25 13:23:05,173 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5860 transitions. Word has length 1115 [2023-12-25 13:23:05,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:05,174 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5860 transitions. [2023-12-25 13:23:05,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.6) internal successors, (1083), 5 states have internal predecessors, (1083), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5860 transitions. [2023-12-25 13:23:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2023-12-25 13:23:05,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:05,182 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:05,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-25 13:23:05,182 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:05,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:05,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1303466407, now seen corresponding path program 1 times [2023-12-25 13:23:05,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89784564] [2023-12-25 13:23:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:05,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:07,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:07,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89784564] [2023-12-25 13:23:07,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89784564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:07,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:07,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:07,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573036964] [2023-12-25 13:23:07,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:07,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:07,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:07,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:07,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:07,187 INFO L87 Difference]: Start difference. First operand 3565 states and 5860 transitions. Second operand has 5 states, 5 states have (on average 216.8) internal successors, (1084), 5 states have internal predecessors, (1084), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:07,685 INFO L93 Difference]: Finished difference Result 6322 states and 10374 transitions. [2023-12-25 13:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:07,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.8) internal successors, (1084), 5 states have internal predecessors, (1084), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1116 [2023-12-25 13:23:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:07,689 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:07,689 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:07,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:07,691 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5838 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5845 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:07,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5845 Valid, 11190 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:07,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:07,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6437007874015748) internal successors, (5845), 3556 states have internal predecessors, (5845), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5859 transitions. [2023-12-25 13:23:07,723 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5859 transitions. Word has length 1116 [2023-12-25 13:23:07,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:07,723 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5859 transitions. [2023-12-25 13:23:07,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.8) internal successors, (1084), 5 states have internal predecessors, (1084), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:07,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5859 transitions. [2023-12-25 13:23:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2023-12-25 13:23:07,731 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:07,731 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:07,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-25 13:23:07,732 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:07,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash -222122527, now seen corresponding path program 1 times [2023-12-25 13:23:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:07,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616305597] [2023-12-25 13:23:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:07,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:09,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616305597] [2023-12-25 13:23:09,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616305597] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:09,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:09,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:09,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257718131] [2023-12-25 13:23:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:09,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:09,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:09,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:09,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:09,735 INFO L87 Difference]: Start difference. First operand 3565 states and 5859 transitions. Second operand has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:10,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:10,167 INFO L93 Difference]: Finished difference Result 6322 states and 10372 transitions. [2023-12-25 13:23:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:10,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1117 [2023-12-25 13:23:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:10,170 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:10,170 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:10,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:10,183 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 11014 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11021 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:10,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11021 Valid, 11180 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:10,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6434195725534309) internal successors, (5844), 3556 states have internal predecessors, (5844), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5858 transitions. [2023-12-25 13:23:10,211 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5858 transitions. Word has length 1117 [2023-12-25 13:23:10,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:10,211 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5858 transitions. [2023-12-25 13:23:10,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5858 transitions. [2023-12-25 13:23:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2023-12-25 13:23:10,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:10,219 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:10,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-25 13:23:10,219 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:10,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash 413563713, now seen corresponding path program 1 times [2023-12-25 13:23:10,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:10,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241055489] [2023-12-25 13:23:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:10,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:12,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:12,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241055489] [2023-12-25 13:23:12,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241055489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:12,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:12,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:12,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933130077] [2023-12-25 13:23:12,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:12,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:12,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:12,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:12,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:12,202 INFO L87 Difference]: Start difference. First operand 3565 states and 5858 transitions. Second operand has 5 states, 5 states have (on average 217.2) internal successors, (1086), 5 states have internal predecessors, (1086), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:12,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:12,603 INFO L93 Difference]: Finished difference Result 6322 states and 10370 transitions. [2023-12-25 13:23:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:12,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 217.2) internal successors, (1086), 5 states have internal predecessors, (1086), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1118 [2023-12-25 13:23:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:12,606 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:12,606 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:12,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:12,608 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5830 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5837 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:12,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5837 Valid, 11190 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:12,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:12,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.643138357705287) internal successors, (5843), 3556 states have internal predecessors, (5843), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5857 transitions. [2023-12-25 13:23:12,638 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5857 transitions. Word has length 1118 [2023-12-25 13:23:12,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:12,638 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5857 transitions. [2023-12-25 13:23:12,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.2) internal successors, (1086), 5 states have internal predecessors, (1086), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5857 transitions. [2023-12-25 13:23:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2023-12-25 13:23:12,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:12,646 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:12,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-25 13:23:12,647 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:12,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:12,647 INFO L85 PathProgramCache]: Analyzing trace with hash 920570555, now seen corresponding path program 1 times [2023-12-25 13:23:12,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:12,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538034911] [2023-12-25 13:23:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:14,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:14,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538034911] [2023-12-25 13:23:14,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538034911] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:14,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:14,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:14,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571786667] [2023-12-25 13:23:14,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:14,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:14,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:14,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:14,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:14,654 INFO L87 Difference]: Start difference. First operand 3565 states and 5857 transitions. Second operand has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:15,070 INFO L93 Difference]: Finished difference Result 6322 states and 10368 transitions. [2023-12-25 13:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:15,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1119 [2023-12-25 13:23:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:15,073 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:15,073 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:15,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:15,075 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10998 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11005 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:15,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11005 Valid, 11180 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:15,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:15,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6428571428571428) internal successors, (5842), 3556 states have internal predecessors, (5842), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:15,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5856 transitions. [2023-12-25 13:23:15,102 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5856 transitions. Word has length 1119 [2023-12-25 13:23:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:15,104 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5856 transitions. [2023-12-25 13:23:15,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:15,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5856 transitions. [2023-12-25 13:23:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2023-12-25 13:23:15,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:15,115 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:15,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-25 13:23:15,115 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:15,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:15,116 INFO L85 PathProgramCache]: Analyzing trace with hash -888321573, now seen corresponding path program 1 times [2023-12-25 13:23:15,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:15,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108316887] [2023-12-25 13:23:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:15,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:17,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:17,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108316887] [2023-12-25 13:23:17,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108316887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:17,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:17,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548297213] [2023-12-25 13:23:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:17,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:17,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:17,202 INFO L87 Difference]: Start difference. First operand 3565 states and 5856 transitions. Second operand has 5 states, 5 states have (on average 217.6) internal successors, (1088), 5 states have internal predecessors, (1088), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:17,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:17,652 INFO L93 Difference]: Finished difference Result 6322 states and 10366 transitions. [2023-12-25 13:23:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:17,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 217.6) internal successors, (1088), 5 states have internal predecessors, (1088), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1120 [2023-12-25 13:23:17,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:17,656 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:17,656 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:17,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:17,658 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10990 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10997 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:17,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10997 Valid, 11180 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:17,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6425759280089989) internal successors, (5841), 3556 states have internal predecessors, (5841), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5855 transitions. [2023-12-25 13:23:17,686 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5855 transitions. Word has length 1120 [2023-12-25 13:23:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:17,687 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5855 transitions. [2023-12-25 13:23:17,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.6) internal successors, (1088), 5 states have internal predecessors, (1088), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5855 transitions. [2023-12-25 13:23:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2023-12-25 13:23:17,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:17,695 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:17,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-25 13:23:17,695 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:17,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:17,695 INFO L85 PathProgramCache]: Analyzing trace with hash 479173781, now seen corresponding path program 1 times [2023-12-25 13:23:17,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:17,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076893756] [2023-12-25 13:23:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:17,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:19,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:19,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076893756] [2023-12-25 13:23:19,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076893756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:19,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:19,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:19,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731605896] [2023-12-25 13:23:19,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:19,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:19,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:19,656 INFO L87 Difference]: Start difference. First operand 3565 states and 5855 transitions. Second operand has 5 states, 5 states have (on average 217.8) internal successors, (1089), 5 states have internal predecessors, (1089), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:20,131 INFO L93 Difference]: Finished difference Result 6322 states and 10364 transitions. [2023-12-25 13:23:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:20,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 217.8) internal successors, (1089), 5 states have internal predecessors, (1089), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1121 [2023-12-25 13:23:20,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:20,134 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:20,135 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:20,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:20,136 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5818 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5825 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:20,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5825 Valid, 11190 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:20,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:20,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.642294713160855) internal successors, (5840), 3556 states have internal predecessors, (5840), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5854 transitions. [2023-12-25 13:23:20,162 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5854 transitions. Word has length 1121 [2023-12-25 13:23:20,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:20,163 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5854 transitions. [2023-12-25 13:23:20,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.8) internal successors, (1089), 5 states have internal predecessors, (1089), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5854 transitions. [2023-12-25 13:23:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1123 [2023-12-25 13:23:20,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:20,171 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:20,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-25 13:23:20,171 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:20,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:20,171 INFO L85 PathProgramCache]: Analyzing trace with hash -965853835, now seen corresponding path program 1 times [2023-12-25 13:23:20,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:20,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839676885] [2023-12-25 13:23:20,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:20,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:22,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839676885] [2023-12-25 13:23:22,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839676885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:22,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:22,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:22,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399790116] [2023-12-25 13:23:22,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:22,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:22,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:22,347 INFO L87 Difference]: Start difference. First operand 3565 states and 5854 transitions. Second operand has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:22,756 INFO L93 Difference]: Finished difference Result 6322 states and 10362 transitions. [2023-12-25 13:23:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:22,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1122 [2023-12-25 13:23:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:22,760 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:22,760 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:22,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:22,762 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10974 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10981 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:22,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10981 Valid, 11180 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:22,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:22,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6420134983127108) internal successors, (5839), 3556 states have internal predecessors, (5839), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5853 transitions. [2023-12-25 13:23:22,790 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5853 transitions. Word has length 1122 [2023-12-25 13:23:22,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:22,791 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5853 transitions. [2023-12-25 13:23:22,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5853 transitions. [2023-12-25 13:23:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2023-12-25 13:23:22,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:22,799 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:22,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-25 13:23:22,799 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:22,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash -985029777, now seen corresponding path program 1 times [2023-12-25 13:23:22,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:22,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066242476] [2023-12-25 13:23:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:22,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:24,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:24,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066242476] [2023-12-25 13:23:24,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066242476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:24,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:24,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:24,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103151703] [2023-12-25 13:23:24,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:24,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:24,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:24,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:24,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:24,773 INFO L87 Difference]: Start difference. First operand 3565 states and 5853 transitions. Second operand has 5 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:25,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:25,186 INFO L93 Difference]: Finished difference Result 6322 states and 10360 transitions. [2023-12-25 13:23:25,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:25,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1123 [2023-12-25 13:23:25,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:25,190 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:25,190 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:25,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:25,192 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10960 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10967 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:25,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10967 Valid, 11180 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:25,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:25,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.641732283464567) internal successors, (5838), 3556 states have internal predecessors, (5838), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5852 transitions. [2023-12-25 13:23:25,225 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5852 transitions. Word has length 1123 [2023-12-25 13:23:25,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:25,225 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5852 transitions. [2023-12-25 13:23:25,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5852 transitions. [2023-12-25 13:23:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2023-12-25 13:23:25,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:25,234 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:25,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-25 13:23:25,234 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:25,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:25,234 INFO L85 PathProgramCache]: Analyzing trace with hash 29821685, now seen corresponding path program 1 times [2023-12-25 13:23:25,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:25,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600379490] [2023-12-25 13:23:25,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:25,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:27,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:27,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600379490] [2023-12-25 13:23:27,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600379490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:27,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:27,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:27,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728262891] [2023-12-25 13:23:27,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:27,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:27,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:27,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:27,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:27,250 INFO L87 Difference]: Start difference. First operand 3565 states and 5852 transitions. Second operand has 5 states, 5 states have (on average 218.4) internal successors, (1092), 5 states have internal predecessors, (1092), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:27,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:27,638 INFO L93 Difference]: Finished difference Result 6322 states and 10358 transitions. [2023-12-25 13:23:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:27,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 218.4) internal successors, (1092), 5 states have internal predecessors, (1092), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1124 [2023-12-25 13:23:27,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:27,642 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:27,642 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:27,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:27,644 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10952 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10959 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:27,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10959 Valid, 11180 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:27,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.641451068616423) internal successors, (5837), 3556 states have internal predecessors, (5837), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5851 transitions. [2023-12-25 13:23:27,675 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5851 transitions. Word has length 1124 [2023-12-25 13:23:27,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:27,675 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5851 transitions. [2023-12-25 13:23:27,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.4) internal successors, (1092), 5 states have internal predecessors, (1092), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5851 transitions. [2023-12-25 13:23:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2023-12-25 13:23:27,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:27,684 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:27,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-25 13:23:27,684 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:27,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:27,684 INFO L85 PathProgramCache]: Analyzing trace with hash 991939221, now seen corresponding path program 1 times [2023-12-25 13:23:27,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:27,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813947743] [2023-12-25 13:23:27,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:29,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:29,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813947743] [2023-12-25 13:23:29,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813947743] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:29,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:29,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:29,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116870110] [2023-12-25 13:23:29,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:29,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:29,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:29,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:29,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:29,822 INFO L87 Difference]: Start difference. First operand 3565 states and 5851 transitions. Second operand has 5 states, 5 states have (on average 218.6) internal successors, (1093), 5 states have internal predecessors, (1093), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:30,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:30,244 INFO L93 Difference]: Finished difference Result 6322 states and 10356 transitions. [2023-12-25 13:23:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:30,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 218.6) internal successors, (1093), 5 states have internal predecessors, (1093), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1125 [2023-12-25 13:23:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:30,247 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:30,248 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:30,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:30,250 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10944 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10951 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:30,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10951 Valid, 11180 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:30,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.641169853768279) internal successors, (5836), 3556 states have internal predecessors, (5836), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5850 transitions. [2023-12-25 13:23:30,279 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5850 transitions. Word has length 1125 [2023-12-25 13:23:30,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:30,279 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5850 transitions. [2023-12-25 13:23:30,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.6) internal successors, (1093), 5 states have internal predecessors, (1093), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5850 transitions. [2023-12-25 13:23:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1127 [2023-12-25 13:23:30,288 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:30,288 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:30,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-25 13:23:30,288 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:30,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:30,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1083086555, now seen corresponding path program 1 times [2023-12-25 13:23:30,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:30,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350128299] [2023-12-25 13:23:30,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:30,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:32,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:32,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350128299] [2023-12-25 13:23:32,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350128299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:32,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:32,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:32,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277968663] [2023-12-25 13:23:32,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:32,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:32,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:32,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:32,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:32,376 INFO L87 Difference]: Start difference. First operand 3565 states and 5850 transitions. Second operand has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:32,791 INFO L93 Difference]: Finished difference Result 6322 states and 10354 transitions. [2023-12-25 13:23:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1126 [2023-12-25 13:23:32,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:32,794 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:32,794 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:32,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:32,797 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5795 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5802 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:32,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5802 Valid, 11190 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.640888638920135) internal successors, (5835), 3556 states have internal predecessors, (5835), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5849 transitions. [2023-12-25 13:23:32,825 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5849 transitions. Word has length 1126 [2023-12-25 13:23:32,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:32,826 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5849 transitions. [2023-12-25 13:23:32,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5849 transitions. [2023-12-25 13:23:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2023-12-25 13:23:32,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:32,834 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:32,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-25 13:23:32,834 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:32,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:32,835 INFO L85 PathProgramCache]: Analyzing trace with hash 324644027, now seen corresponding path program 1 times [2023-12-25 13:23:32,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:32,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300935206] [2023-12-25 13:23:32,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:32,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:34,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:34,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300935206] [2023-12-25 13:23:34,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300935206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:34,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:34,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486772474] [2023-12-25 13:23:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:34,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:34,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:34,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:34,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:34,947 INFO L87 Difference]: Start difference. First operand 3565 states and 5849 transitions. Second operand has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:35,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:35,363 INFO L93 Difference]: Finished difference Result 6322 states and 10352 transitions. [2023-12-25 13:23:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:35,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1127 [2023-12-25 13:23:35,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:35,366 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:35,366 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:35,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:35,368 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5791 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5798 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:35,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5798 Valid, 11190 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.640607424071991) internal successors, (5834), 3556 states have internal predecessors, (5834), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5848 transitions. [2023-12-25 13:23:35,397 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5848 transitions. Word has length 1127 [2023-12-25 13:23:35,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:35,397 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5848 transitions. [2023-12-25 13:23:35,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5848 transitions. [2023-12-25 13:23:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1129 [2023-12-25 13:23:35,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:35,405 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:35,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-25 13:23:35,406 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:35,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:35,406 INFO L85 PathProgramCache]: Analyzing trace with hash -884683327, now seen corresponding path program 1 times [2023-12-25 13:23:35,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:35,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786686582] [2023-12-25 13:23:35,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:35,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:37,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:37,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786686582] [2023-12-25 13:23:37,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786686582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:37,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:37,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:37,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618177529] [2023-12-25 13:23:37,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:37,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:37,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:37,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:37,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:37,467 INFO L87 Difference]: Start difference. First operand 3565 states and 5848 transitions. Second operand has 5 states, 5 states have (on average 219.2) internal successors, (1096), 5 states have internal predecessors, (1096), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:37,908 INFO L93 Difference]: Finished difference Result 6322 states and 10350 transitions. [2023-12-25 13:23:37,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:37,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 219.2) internal successors, (1096), 5 states have internal predecessors, (1096), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1128 [2023-12-25 13:23:37,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:37,911 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:37,911 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:37,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:37,914 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5787 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5794 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:37,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5794 Valid, 11190 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:37,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.640326209223847) internal successors, (5833), 3556 states have internal predecessors, (5833), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5847 transitions. [2023-12-25 13:23:37,942 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5847 transitions. Word has length 1128 [2023-12-25 13:23:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:37,943 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5847 transitions. [2023-12-25 13:23:37,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.2) internal successors, (1096), 5 states have internal predecessors, (1096), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5847 transitions. [2023-12-25 13:23:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1130 [2023-12-25 13:23:37,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:37,951 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:37,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-25 13:23:37,952 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:37,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:37,952 INFO L85 PathProgramCache]: Analyzing trace with hash 643746273, now seen corresponding path program 1 times [2023-12-25 13:23:37,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:37,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976284770] [2023-12-25 13:23:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:37,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:40,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:40,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976284770] [2023-12-25 13:23:40,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976284770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:40,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:40,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:40,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760243277] [2023-12-25 13:23:40,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:40,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:40,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:40,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:40,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:40,065 INFO L87 Difference]: Start difference. First operand 3565 states and 5847 transitions. Second operand has 5 states, 5 states have (on average 219.4) internal successors, (1097), 5 states have internal predecessors, (1097), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:40,488 INFO L93 Difference]: Finished difference Result 6322 states and 10348 transitions. [2023-12-25 13:23:40,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:40,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 219.4) internal successors, (1097), 5 states have internal predecessors, (1097), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1129 [2023-12-25 13:23:40,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:40,492 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:40,492 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:40,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:40,494 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5783 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5790 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:40,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5790 Valid, 11190 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:40,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:40,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.640044994375703) internal successors, (5832), 3556 states have internal predecessors, (5832), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5846 transitions. [2023-12-25 13:23:40,522 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5846 transitions. Word has length 1129 [2023-12-25 13:23:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:40,523 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5846 transitions. [2023-12-25 13:23:40,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.4) internal successors, (1097), 5 states have internal predecessors, (1097), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5846 transitions. [2023-12-25 13:23:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2023-12-25 13:23:40,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:40,531 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:40,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-25 13:23:40,531 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:40,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1491414951, now seen corresponding path program 1 times [2023-12-25 13:23:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341683019] [2023-12-25 13:23:40,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:40,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:42,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:42,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341683019] [2023-12-25 13:23:42,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341683019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:42,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:42,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:42,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027354513] [2023-12-25 13:23:42,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:42,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:42,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:42,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:42,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:42,729 INFO L87 Difference]: Start difference. First operand 3565 states and 5846 transitions. Second operand has 5 states, 5 states have (on average 219.6) internal successors, (1098), 5 states have internal predecessors, (1098), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:43,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:43,143 INFO L93 Difference]: Finished difference Result 6322 states and 10346 transitions. [2023-12-25 13:23:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:43,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 219.6) internal successors, (1098), 5 states have internal predecessors, (1098), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1130 [2023-12-25 13:23:43,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:43,146 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:43,147 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:43,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:43,149 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5588 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:43,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5595 Valid, 11190 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:43,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:43,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.639763779527559) internal successors, (5831), 3556 states have internal predecessors, (5831), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5845 transitions. [2023-12-25 13:23:43,179 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5845 transitions. Word has length 1130 [2023-12-25 13:23:43,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:43,180 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5845 transitions. [2023-12-25 13:23:43,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.6) internal successors, (1098), 5 states have internal predecessors, (1098), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5845 transitions. [2023-12-25 13:23:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2023-12-25 13:23:43,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:43,188 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:43,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-25 13:23:43,189 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:43,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:43,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2078077999, now seen corresponding path program 1 times [2023-12-25 13:23:43,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770113762] [2023-12-25 13:23:43,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:43,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:45,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:45,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770113762] [2023-12-25 13:23:45,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770113762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:45,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:45,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130920786] [2023-12-25 13:23:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:45,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:45,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:45,382 INFO L87 Difference]: Start difference. First operand 3565 states and 5845 transitions. Second operand has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:45,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:45,811 INFO L93 Difference]: Finished difference Result 6322 states and 10344 transitions. [2023-12-25 13:23:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:45,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1131 [2023-12-25 13:23:45,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:45,815 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:45,815 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:45,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:45,817 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5584 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5591 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:45,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5591 Valid, 11190 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:45,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.639482564679415) internal successors, (5830), 3556 states have internal predecessors, (5830), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5844 transitions. [2023-12-25 13:23:45,845 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5844 transitions. Word has length 1131 [2023-12-25 13:23:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:45,845 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5844 transitions. [2023-12-25 13:23:45,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5844 transitions. [2023-12-25 13:23:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2023-12-25 13:23:45,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:45,853 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:45,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-25 13:23:45,854 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:45,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1558479041, now seen corresponding path program 1 times [2023-12-25 13:23:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257068086] [2023-12-25 13:23:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:48,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:48,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257068086] [2023-12-25 13:23:48,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257068086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:48,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:48,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:48,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901082559] [2023-12-25 13:23:48,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:48,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:48,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:48,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:48,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:48,052 INFO L87 Difference]: Start difference. First operand 3565 states and 5844 transitions. Second operand has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:48,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:48,458 INFO L93 Difference]: Finished difference Result 6322 states and 10342 transitions. [2023-12-25 13:23:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:48,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1132 [2023-12-25 13:23:48,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:48,462 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:48,462 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:48,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:48,464 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5580 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5587 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:48,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5587 Valid, 11190 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:48,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:48,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6392013498312712) internal successors, (5829), 3556 states have internal predecessors, (5829), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5843 transitions. [2023-12-25 13:23:48,496 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5843 transitions. Word has length 1132 [2023-12-25 13:23:48,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:48,496 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5843 transitions. [2023-12-25 13:23:48,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5843 transitions. [2023-12-25 13:23:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1134 [2023-12-25 13:23:48,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:48,504 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:48,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-25 13:23:48,505 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:48,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2062197803, now seen corresponding path program 1 times [2023-12-25 13:23:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:48,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185763002] [2023-12-25 13:23:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:50,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:50,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185763002] [2023-12-25 13:23:50,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185763002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:50,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:50,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:50,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213997775] [2023-12-25 13:23:50,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:50,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:50,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:50,677 INFO L87 Difference]: Start difference. First operand 3565 states and 5843 transitions. Second operand has 5 states, 5 states have (on average 220.2) internal successors, (1101), 5 states have internal predecessors, (1101), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:51,091 INFO L93 Difference]: Finished difference Result 6322 states and 10340 transitions. [2023-12-25 13:23:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:51,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 220.2) internal successors, (1101), 5 states have internal predecessors, (1101), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1133 [2023-12-25 13:23:51,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:51,096 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:51,096 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:51,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:51,098 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5576 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5583 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:51,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5583 Valid, 11190 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:51,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.638920134983127) internal successors, (5828), 3556 states have internal predecessors, (5828), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5842 transitions. [2023-12-25 13:23:51,127 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5842 transitions. Word has length 1133 [2023-12-25 13:23:51,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:51,127 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5842 transitions. [2023-12-25 13:23:51,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 220.2) internal successors, (1101), 5 states have internal predecessors, (1101), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5842 transitions. [2023-12-25 13:23:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1135 [2023-12-25 13:23:51,135 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:51,136 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:51,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-25 13:23:51,136 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:51,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1223641381, now seen corresponding path program 1 times [2023-12-25 13:23:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644472336] [2023-12-25 13:23:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:51,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:53,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:53,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644472336] [2023-12-25 13:23:53,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644472336] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:53,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:53,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:53,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566973870] [2023-12-25 13:23:53,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:53,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:53,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:53,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:53,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:53,390 INFO L87 Difference]: Start difference. First operand 3565 states and 5842 transitions. Second operand has 5 states, 5 states have (on average 220.4) internal successors, (1102), 5 states have internal predecessors, (1102), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:53,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:53,784 INFO L93 Difference]: Finished difference Result 6322 states and 10338 transitions. [2023-12-25 13:23:53,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:53,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 220.4) internal successors, (1102), 5 states have internal predecessors, (1102), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1134 [2023-12-25 13:23:53,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:53,787 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:53,787 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:53,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:53,789 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10490 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10497 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:53,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10497 Valid, 11180 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:53,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:53,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6386389201349831) internal successors, (5827), 3556 states have internal predecessors, (5827), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5841 transitions. [2023-12-25 13:23:53,819 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5841 transitions. Word has length 1134 [2023-12-25 13:23:53,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:53,820 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5841 transitions. [2023-12-25 13:23:53,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 220.4) internal successors, (1102), 5 states have internal predecessors, (1102), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5841 transitions. [2023-12-25 13:23:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2023-12-25 13:23:53,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:53,828 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:53,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-25 13:23:53,828 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:53,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:53,828 INFO L85 PathProgramCache]: Analyzing trace with hash -565890683, now seen corresponding path program 1 times [2023-12-25 13:23:53,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:53,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314562827] [2023-12-25 13:23:53,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:56,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:56,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314562827] [2023-12-25 13:23:56,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314562827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:56,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:56,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:56,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721882983] [2023-12-25 13:23:56,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:56,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:56,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:56,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:56,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:56,124 INFO L87 Difference]: Start difference. First operand 3565 states and 5841 transitions. Second operand has 5 states, 5 states have (on average 220.6) internal successors, (1103), 5 states have internal predecessors, (1103), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:56,531 INFO L93 Difference]: Finished difference Result 6322 states and 10336 transitions. [2023-12-25 13:23:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:56,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 220.6) internal successors, (1103), 5 states have internal predecessors, (1103), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1135 [2023-12-25 13:23:56,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:56,535 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:56,535 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:56,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:56,537 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5568 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5575 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:56,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5575 Valid, 11190 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:23:56,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:56,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6383577052868392) internal successors, (5826), 3556 states have internal predecessors, (5826), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5840 transitions. [2023-12-25 13:23:56,566 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5840 transitions. Word has length 1135 [2023-12-25 13:23:56,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:56,567 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5840 transitions. [2023-12-25 13:23:56,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 220.6) internal successors, (1103), 5 states have internal predecessors, (1103), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5840 transitions. [2023-12-25 13:23:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2023-12-25 13:23:56,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:56,575 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:56,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-25 13:23:56,575 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:56,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:56,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1213050379, now seen corresponding path program 1 times [2023-12-25 13:23:56,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:56,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106685556] [2023-12-25 13:23:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:56,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:23:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:23:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:23:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:23:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:23:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:23:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:23:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:23:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:23:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:23:58,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:23:58,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106685556] [2023-12-25 13:23:58,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106685556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:23:58,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:23:58,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:23:58,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809468817] [2023-12-25 13:23:58,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:23:58,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:23:58,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:23:58,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:23:58,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:23:58,799 INFO L87 Difference]: Start difference. First operand 3565 states and 5840 transitions. Second operand has 5 states, 5 states have (on average 220.8) internal successors, (1104), 5 states have internal predecessors, (1104), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:59,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:23:59,224 INFO L93 Difference]: Finished difference Result 6322 states and 10334 transitions. [2023-12-25 13:23:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:23:59,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 220.8) internal successors, (1104), 5 states have internal predecessors, (1104), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1136 [2023-12-25 13:23:59,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:23:59,228 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:23:59,228 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:23:59,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:23:59,230 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5564 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5571 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:23:59,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5571 Valid, 11190 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:23:59,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:23:59,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:23:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.638076490438695) internal successors, (5825), 3556 states have internal predecessors, (5825), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:23:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5839 transitions. [2023-12-25 13:23:59,260 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5839 transitions. Word has length 1136 [2023-12-25 13:23:59,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:23:59,260 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5839 transitions. [2023-12-25 13:23:59,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 220.8) internal successors, (1104), 5 states have internal predecessors, (1104), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:23:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5839 transitions. [2023-12-25 13:23:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2023-12-25 13:23:59,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:23:59,269 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:23:59,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-25 13:23:59,269 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:23:59,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:23:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1649986593, now seen corresponding path program 1 times [2023-12-25 13:23:59,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:23:59,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373046893] [2023-12-25 13:23:59,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:23:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:01,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:01,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373046893] [2023-12-25 13:24:01,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373046893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:01,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:01,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:01,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129324258] [2023-12-25 13:24:01,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:01,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:01,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:01,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:01,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:01,532 INFO L87 Difference]: Start difference. First operand 3565 states and 5839 transitions. Second operand has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:01,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:01,952 INFO L93 Difference]: Finished difference Result 6322 states and 10332 transitions. [2023-12-25 13:24:01,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:01,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1137 [2023-12-25 13:24:01,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:01,956 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:01,956 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:01,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:01,958 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5560 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5567 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:01,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5567 Valid, 11190 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:24:01,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6377952755905512) internal successors, (5824), 3556 states have internal predecessors, (5824), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5838 transitions. [2023-12-25 13:24:01,988 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5838 transitions. Word has length 1137 [2023-12-25 13:24:01,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:01,989 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5838 transitions. [2023-12-25 13:24:01,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5838 transitions. [2023-12-25 13:24:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2023-12-25 13:24:01,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:01,997 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:01,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-25 13:24:01,998 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:01,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:01,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1540477455, now seen corresponding path program 1 times [2023-12-25 13:24:01,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:01,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620895345] [2023-12-25 13:24:01,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:01,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:04,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:04,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620895345] [2023-12-25 13:24:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620895345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:04,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:04,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:04,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597261817] [2023-12-25 13:24:04,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:04,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:04,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:04,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:04,250 INFO L87 Difference]: Start difference. First operand 3565 states and 5838 transitions. Second operand has 5 states, 5 states have (on average 221.2) internal successors, (1106), 5 states have internal predecessors, (1106), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:04,649 INFO L93 Difference]: Finished difference Result 6322 states and 10330 transitions. [2023-12-25 13:24:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:04,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 221.2) internal successors, (1106), 5 states have internal predecessors, (1106), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1138 [2023-12-25 13:24:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:04,653 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:04,653 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:04,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:04,655 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5556 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5563 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:04,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5563 Valid, 11190 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:04,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:04,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6375140607424072) internal successors, (5823), 3556 states have internal predecessors, (5823), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5837 transitions. [2023-12-25 13:24:04,685 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5837 transitions. Word has length 1138 [2023-12-25 13:24:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:04,685 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5837 transitions. [2023-12-25 13:24:04,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.2) internal successors, (1106), 5 states have internal predecessors, (1106), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5837 transitions. [2023-12-25 13:24:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1140 [2023-12-25 13:24:04,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:04,694 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:04,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-25 13:24:04,694 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:04,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash -230347975, now seen corresponding path program 1 times [2023-12-25 13:24:04,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:04,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255538055] [2023-12-25 13:24:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:06,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255538055] [2023-12-25 13:24:06,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255538055] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:06,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:06,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695668261] [2023-12-25 13:24:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:06,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:06,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:06,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:06,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:06,955 INFO L87 Difference]: Start difference. First operand 3565 states and 5837 transitions. Second operand has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:07,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:07,399 INFO L93 Difference]: Finished difference Result 6322 states and 10328 transitions. [2023-12-25 13:24:07,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:07,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1139 [2023-12-25 13:24:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:07,402 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:07,403 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:07,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:07,405 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10450 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10457 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:07,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10457 Valid, 11180 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:24:07,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6372328458942633) internal successors, (5822), 3556 states have internal predecessors, (5822), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5836 transitions. [2023-12-25 13:24:07,436 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5836 transitions. Word has length 1139 [2023-12-25 13:24:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:07,437 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5836 transitions. [2023-12-25 13:24:07,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5836 transitions. [2023-12-25 13:24:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2023-12-25 13:24:07,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:07,445 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:07,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-25 13:24:07,445 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:07,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:07,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1925728471, now seen corresponding path program 1 times [2023-12-25 13:24:07,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:07,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353001108] [2023-12-25 13:24:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:09,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:09,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353001108] [2023-12-25 13:24:09,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353001108] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:09,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:09,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294399192] [2023-12-25 13:24:09,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:09,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:09,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:09,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:09,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:09,718 INFO L87 Difference]: Start difference. First operand 3565 states and 5836 transitions. Second operand has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:10,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:10,083 INFO L93 Difference]: Finished difference Result 6322 states and 10326 transitions. [2023-12-25 13:24:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:10,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1140 [2023-12-25 13:24:10,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:10,088 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:10,088 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:10,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:10,090 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10442 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10449 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:10,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10449 Valid, 11180 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:10,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:10,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:10,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6369516310461192) internal successors, (5821), 3556 states have internal predecessors, (5821), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5835 transitions. [2023-12-25 13:24:10,120 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5835 transitions. Word has length 1140 [2023-12-25 13:24:10,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:10,120 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5835 transitions. [2023-12-25 13:24:10,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5835 transitions. [2023-12-25 13:24:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2023-12-25 13:24:10,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:10,129 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:10,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-25 13:24:10,129 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:10,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1595119507, now seen corresponding path program 1 times [2023-12-25 13:24:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:10,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197007947] [2023-12-25 13:24:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:12,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197007947] [2023-12-25 13:24:12,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197007947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:12,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:12,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:12,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384324233] [2023-12-25 13:24:12,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:12,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:12,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:12,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:12,421 INFO L87 Difference]: Start difference. First operand 3565 states and 5835 transitions. Second operand has 5 states, 5 states have (on average 221.8) internal successors, (1109), 5 states have internal predecessors, (1109), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:12,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:12,785 INFO L93 Difference]: Finished difference Result 6322 states and 10324 transitions. [2023-12-25 13:24:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:12,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 221.8) internal successors, (1109), 5 states have internal predecessors, (1109), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1141 [2023-12-25 13:24:12,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:12,789 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:12,789 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:12,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:12,791 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10434 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10441 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:12,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10441 Valid, 11180 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:12,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6366704161979753) internal successors, (5820), 3556 states have internal predecessors, (5820), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5834 transitions. [2023-12-25 13:24:12,821 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5834 transitions. Word has length 1141 [2023-12-25 13:24:12,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:12,821 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5834 transitions. [2023-12-25 13:24:12,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.8) internal successors, (1109), 5 states have internal predecessors, (1109), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5834 transitions. [2023-12-25 13:24:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2023-12-25 13:24:12,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:12,830 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:12,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-25 13:24:12,830 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:12,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:12,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1651278147, now seen corresponding path program 1 times [2023-12-25 13:24:12,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:12,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681027839] [2023-12-25 13:24:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:12,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681027839] [2023-12-25 13:24:15,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681027839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:15,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:15,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283347262] [2023-12-25 13:24:15,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:15,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:15,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:15,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:15,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:15,101 INFO L87 Difference]: Start difference. First operand 3565 states and 5834 transitions. Second operand has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:15,472 INFO L93 Difference]: Finished difference Result 6322 states and 10322 transitions. [2023-12-25 13:24:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:15,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1142 [2023-12-25 13:24:15,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:15,476 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:15,476 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:15,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:15,478 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10426 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10433 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:15,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10433 Valid, 11180 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:15,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6363892013498313) internal successors, (5819), 3556 states have internal predecessors, (5819), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5833 transitions. [2023-12-25 13:24:15,507 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5833 transitions. Word has length 1142 [2023-12-25 13:24:15,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:15,507 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5833 transitions. [2023-12-25 13:24:15,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5833 transitions. [2023-12-25 13:24:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1144 [2023-12-25 13:24:15,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:15,516 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:15,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-25 13:24:15,516 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:15,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:15,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1329137427, now seen corresponding path program 1 times [2023-12-25 13:24:15,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:15,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150147044] [2023-12-25 13:24:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:15,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:17,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:17,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150147044] [2023-12-25 13:24:17,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150147044] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:17,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:17,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:17,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206976252] [2023-12-25 13:24:17,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:17,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:17,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:17,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:17,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:17,768 INFO L87 Difference]: Start difference. First operand 3565 states and 5833 transitions. Second operand has 5 states, 5 states have (on average 222.2) internal successors, (1111), 5 states have internal predecessors, (1111), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:18,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:18,166 INFO L93 Difference]: Finished difference Result 6322 states and 10320 transitions. [2023-12-25 13:24:18,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:18,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 222.2) internal successors, (1111), 5 states have internal predecessors, (1111), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1143 [2023-12-25 13:24:18,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:18,170 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:18,170 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:18,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:18,172 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10418 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10425 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:18,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10425 Valid, 11180 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:18,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6361079865016872) internal successors, (5818), 3556 states have internal predecessors, (5818), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5832 transitions. [2023-12-25 13:24:18,201 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5832 transitions. Word has length 1143 [2023-12-25 13:24:18,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:18,201 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5832 transitions. [2023-12-25 13:24:18,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.2) internal successors, (1111), 5 states have internal predecessors, (1111), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5832 transitions. [2023-12-25 13:24:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2023-12-25 13:24:18,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:18,210 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:18,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-25 13:24:18,210 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:18,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:18,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1589162077, now seen corresponding path program 1 times [2023-12-25 13:24:18,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:18,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478454681] [2023-12-25 13:24:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:18,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:20,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:20,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478454681] [2023-12-25 13:24:20,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478454681] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:20,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:20,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:20,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31976377] [2023-12-25 13:24:20,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:20,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:20,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:20,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:20,617 INFO L87 Difference]: Start difference. First operand 3565 states and 5832 transitions. Second operand has 5 states, 5 states have (on average 222.4) internal successors, (1112), 5 states have internal predecessors, (1112), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:21,037 INFO L93 Difference]: Finished difference Result 6322 states and 10318 transitions. [2023-12-25 13:24:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:21,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 222.4) internal successors, (1112), 5 states have internal predecessors, (1112), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1144 [2023-12-25 13:24:21,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:21,041 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:21,041 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:21,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:21,043 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 10410 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10417 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:21,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10417 Valid, 11180 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:24:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6358267716535433) internal successors, (5817), 3556 states have internal predecessors, (5817), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5831 transitions. [2023-12-25 13:24:21,069 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5831 transitions. Word has length 1144 [2023-12-25 13:24:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:21,069 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5831 transitions. [2023-12-25 13:24:21,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.4) internal successors, (1112), 5 states have internal predecessors, (1112), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5831 transitions. [2023-12-25 13:24:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1146 [2023-12-25 13:24:21,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:21,078 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:21,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-25 13:24:21,078 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:21,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:21,078 INFO L85 PathProgramCache]: Analyzing trace with hash -36450489, now seen corresponding path program 1 times [2023-12-25 13:24:21,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:21,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126367699] [2023-12-25 13:24:21,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:21,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:23,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:23,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126367699] [2023-12-25 13:24:23,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126367699] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:23,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:23,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:23,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15165283] [2023-12-25 13:24:23,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:23,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:23,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:23,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:23,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:23,464 INFO L87 Difference]: Start difference. First operand 3565 states and 5831 transitions. Second operand has 5 states, 5 states have (on average 222.6) internal successors, (1113), 5 states have internal predecessors, (1113), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:23,828 INFO L93 Difference]: Finished difference Result 6322 states and 10316 transitions. [2023-12-25 13:24:23,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:23,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 222.6) internal successors, (1113), 5 states have internal predecessors, (1113), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1145 [2023-12-25 13:24:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:23,832 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:23,832 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:23,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:23,834 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 5528 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5535 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:23,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5535 Valid, 11190 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:23,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6355455568053994) internal successors, (5816), 3556 states have internal predecessors, (5816), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5830 transitions. [2023-12-25 13:24:23,863 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5830 transitions. Word has length 1145 [2023-12-25 13:24:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:23,864 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5830 transitions. [2023-12-25 13:24:23,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.6) internal successors, (1113), 5 states have internal predecessors, (1113), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5830 transitions. [2023-12-25 13:24:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1147 [2023-12-25 13:24:23,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:23,873 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:23,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-25 13:24:23,873 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:23,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:23,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1306213257, now seen corresponding path program 1 times [2023-12-25 13:24:23,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:23,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213283766] [2023-12-25 13:24:23,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:23,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:26,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:26,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213283766] [2023-12-25 13:24:26,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213283766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:26,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:26,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:24:26,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094488333] [2023-12-25 13:24:26,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:26,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:24:26,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:26,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:24:26,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:24:26,919 INFO L87 Difference]: Start difference. First operand 3565 states and 5830 transitions. Second operand has 4 states, 4 states have (on average 278.5) internal successors, (1114), 4 states have internal predecessors, (1114), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:27,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:27,243 INFO L93 Difference]: Finished difference Result 6322 states and 10314 transitions. [2023-12-25 13:24:27,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:27,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 278.5) internal successors, (1114), 4 states have internal predecessors, (1114), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1146 [2023-12-25 13:24:27,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:27,246 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:27,246 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:27,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:27,248 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 4937 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4937 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:27,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4937 Valid, 11372 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:27,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6352643419572555) internal successors, (5815), 3556 states have internal predecessors, (5815), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5829 transitions. [2023-12-25 13:24:27,277 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5829 transitions. Word has length 1146 [2023-12-25 13:24:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:27,277 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5829 transitions. [2023-12-25 13:24:27,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 278.5) internal successors, (1114), 4 states have internal predecessors, (1114), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5829 transitions. [2023-12-25 13:24:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2023-12-25 13:24:27,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:27,286 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:27,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-25 13:24:27,287 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:27,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1310054353, now seen corresponding path program 1 times [2023-12-25 13:24:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:27,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340976048] [2023-12-25 13:24:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:29,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:29,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340976048] [2023-12-25 13:24:29,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340976048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:29,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907790241] [2023-12-25 13:24:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:29,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:29,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:29,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:29,493 INFO L87 Difference]: Start difference. First operand 3565 states and 5829 transitions. Second operand has 5 states, 5 states have (on average 223.0) internal successors, (1115), 5 states have internal predecessors, (1115), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:29,746 INFO L93 Difference]: Finished difference Result 6598 states and 10718 transitions. [2023-12-25 13:24:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:24:29,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 223.0) internal successors, (1115), 5 states have internal predecessors, (1115), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1147 [2023-12-25 13:24:29,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:29,750 INFO L225 Difference]: With dead ends: 6598 [2023-12-25 13:24:29,750 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:29,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:24:29,752 INFO L413 NwaCegarLoop]: 5808 mSDtfsCounter, 5733 mSDsluCounter, 11502 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5733 SdHoareTripleChecker+Valid, 17310 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:29,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5733 Valid, 17310 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6349831271091113) internal successors, (5814), 3556 states have internal predecessors, (5814), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5828 transitions. [2023-12-25 13:24:29,781 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5828 transitions. Word has length 1147 [2023-12-25 13:24:29,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:29,782 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5828 transitions. [2023-12-25 13:24:29,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 223.0) internal successors, (1115), 5 states have internal predecessors, (1115), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5828 transitions. [2023-12-25 13:24:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2023-12-25 13:24:29,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:29,790 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:29,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-25 13:24:29,790 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:29,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:29,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1196232353, now seen corresponding path program 1 times [2023-12-25 13:24:29,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:29,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543736511] [2023-12-25 13:24:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:29,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:31,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:31,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543736511] [2023-12-25 13:24:31,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543736511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:31,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:31,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:31,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733116673] [2023-12-25 13:24:31,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:31,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:31,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:31,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:31,950 INFO L87 Difference]: Start difference. First operand 3565 states and 5828 transitions. Second operand has 5 states, 5 states have (on average 223.2) internal successors, (1116), 5 states have internal predecessors, (1116), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:32,265 INFO L93 Difference]: Finished difference Result 6322 states and 10310 transitions. [2023-12-25 13:24:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:32,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 223.2) internal successors, (1116), 5 states have internal predecessors, (1116), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1148 [2023-12-25 13:24:32,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:32,268 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:32,269 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:32,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:32,271 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10974 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10981 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:32,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10981 Valid, 11372 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:24:32,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:32,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6347019122609674) internal successors, (5813), 3556 states have internal predecessors, (5813), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5827 transitions. [2023-12-25 13:24:32,306 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5827 transitions. Word has length 1148 [2023-12-25 13:24:32,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:32,306 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5827 transitions. [2023-12-25 13:24:32,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 223.2) internal successors, (1116), 5 states have internal predecessors, (1116), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5827 transitions. [2023-12-25 13:24:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2023-12-25 13:24:32,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:32,315 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:32,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-25 13:24:32,315 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:32,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1052620373, now seen corresponding path program 1 times [2023-12-25 13:24:32,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:32,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14077135] [2023-12-25 13:24:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:32,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:34,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:34,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14077135] [2023-12-25 13:24:34,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14077135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:34,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:34,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:34,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637502921] [2023-12-25 13:24:34,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:34,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:34,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:34,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:34,525 INFO L87 Difference]: Start difference. First operand 3565 states and 5827 transitions. Second operand has 5 states, 5 states have (on average 223.4) internal successors, (1117), 5 states have internal predecessors, (1117), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:34,803 INFO L93 Difference]: Finished difference Result 6322 states and 10308 transitions. [2023-12-25 13:24:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:34,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 223.4) internal successors, (1117), 5 states have internal predecessors, (1117), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1149 [2023-12-25 13:24:34,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:34,806 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:34,806 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:34,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:34,808 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 5802 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5809 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:34,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5809 Valid, 11382 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6344206974128235) internal successors, (5812), 3556 states have internal predecessors, (5812), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5826 transitions. [2023-12-25 13:24:34,840 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5826 transitions. Word has length 1149 [2023-12-25 13:24:34,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:34,841 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5826 transitions. [2023-12-25 13:24:34,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 223.4) internal successors, (1117), 5 states have internal predecessors, (1117), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5826 transitions. [2023-12-25 13:24:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2023-12-25 13:24:34,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:34,849 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:34,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-25 13:24:34,850 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:34,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:34,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2104347077, now seen corresponding path program 1 times [2023-12-25 13:24:34,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:34,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083334128] [2023-12-25 13:24:34,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:34,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:37,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:37,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083334128] [2023-12-25 13:24:37,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083334128] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:37,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:37,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:37,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427505150] [2023-12-25 13:24:37,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:37,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:37,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:37,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:37,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:37,087 INFO L87 Difference]: Start difference. First operand 3565 states and 5826 transitions. Second operand has 5 states, 5 states have (on average 223.6) internal successors, (1118), 5 states have internal predecessors, (1118), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:37,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:37,359 INFO L93 Difference]: Finished difference Result 6322 states and 10306 transitions. [2023-12-25 13:24:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:37,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 223.6) internal successors, (1118), 5 states have internal predecessors, (1118), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1150 [2023-12-25 13:24:37,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:37,362 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:37,362 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:37,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:37,364 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10958 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10965 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:37,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10965 Valid, 11372 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:37,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6341394825646793) internal successors, (5811), 3556 states have internal predecessors, (5811), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5825 transitions. [2023-12-25 13:24:37,393 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5825 transitions. Word has length 1150 [2023-12-25 13:24:37,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:37,393 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5825 transitions. [2023-12-25 13:24:37,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 223.6) internal successors, (1118), 5 states have internal predecessors, (1118), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5825 transitions. [2023-12-25 13:24:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2023-12-25 13:24:37,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:37,402 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:37,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-25 13:24:37,402 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:37,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:37,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1250987899, now seen corresponding path program 1 times [2023-12-25 13:24:37,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:37,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925157533] [2023-12-25 13:24:37,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:37,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:39,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:39,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925157533] [2023-12-25 13:24:39,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925157533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:39,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:39,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:39,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757795108] [2023-12-25 13:24:39,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:39,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:39,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:39,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:39,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:39,667 INFO L87 Difference]: Start difference. First operand 3565 states and 5825 transitions. Second operand has 5 states, 5 states have (on average 223.8) internal successors, (1119), 5 states have internal predecessors, (1119), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:39,922 INFO L93 Difference]: Finished difference Result 6322 states and 10304 transitions. [2023-12-25 13:24:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:39,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 223.8) internal successors, (1119), 5 states have internal predecessors, (1119), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1151 [2023-12-25 13:24:39,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:39,926 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:39,926 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:39,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:39,929 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 5794 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5801 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:39,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5801 Valid, 11382 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:39,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6338582677165354) internal successors, (5810), 3556 states have internal predecessors, (5810), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5824 transitions. [2023-12-25 13:24:39,962 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5824 transitions. Word has length 1151 [2023-12-25 13:24:39,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:39,962 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5824 transitions. [2023-12-25 13:24:39,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 223.8) internal successors, (1119), 5 states have internal predecessors, (1119), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5824 transitions. [2023-12-25 13:24:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1153 [2023-12-25 13:24:39,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:39,971 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:39,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-25 13:24:39,971 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:39,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:39,971 INFO L85 PathProgramCache]: Analyzing trace with hash -719551787, now seen corresponding path program 1 times [2023-12-25 13:24:39,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:39,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679474390] [2023-12-25 13:24:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:42,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:42,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679474390] [2023-12-25 13:24:42,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679474390] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:42,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:42,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:42,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904057157] [2023-12-25 13:24:42,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:42,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:42,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:42,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:42,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:42,291 INFO L87 Difference]: Start difference. First operand 3565 states and 5824 transitions. Second operand has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:42,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:42,563 INFO L93 Difference]: Finished difference Result 6322 states and 10302 transitions. [2023-12-25 13:24:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:42,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1152 [2023-12-25 13:24:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:42,566 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:42,566 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:42,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:42,568 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10942 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10949 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:42,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10949 Valid, 11372 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:42,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6335770528683915) internal successors, (5809), 3556 states have internal predecessors, (5809), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5823 transitions. [2023-12-25 13:24:42,599 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5823 transitions. Word has length 1152 [2023-12-25 13:24:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:42,599 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5823 transitions. [2023-12-25 13:24:42,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5823 transitions. [2023-12-25 13:24:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1154 [2023-12-25 13:24:42,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:42,608 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:42,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-25 13:24:42,608 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:42,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:42,609 INFO L85 PathProgramCache]: Analyzing trace with hash -911094689, now seen corresponding path program 1 times [2023-12-25 13:24:42,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:42,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538865464] [2023-12-25 13:24:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:44,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:44,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538865464] [2023-12-25 13:24:44,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538865464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:44,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:44,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:44,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180528236] [2023-12-25 13:24:44,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:44,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:44,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:44,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:44,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:44,814 INFO L87 Difference]: Start difference. First operand 3565 states and 5823 transitions. Second operand has 5 states, 5 states have (on average 224.2) internal successors, (1121), 5 states have internal predecessors, (1121), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:45,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:45,114 INFO L93 Difference]: Finished difference Result 6322 states and 10300 transitions. [2023-12-25 13:24:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:45,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 224.2) internal successors, (1121), 5 states have internal predecessors, (1121), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1153 [2023-12-25 13:24:45,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:45,118 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:45,118 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:45,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:45,121 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 5786 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5793 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:45,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5793 Valid, 11382 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:45,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:45,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6332958380202474) internal successors, (5808), 3556 states have internal predecessors, (5808), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5822 transitions. [2023-12-25 13:24:45,156 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5822 transitions. Word has length 1153 [2023-12-25 13:24:45,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:45,157 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5822 transitions. [2023-12-25 13:24:45,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 224.2) internal successors, (1121), 5 states have internal predecessors, (1121), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5822 transitions. [2023-12-25 13:24:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1155 [2023-12-25 13:24:45,165 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:45,166 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:45,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-25 13:24:45,166 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:45,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:45,166 INFO L85 PathProgramCache]: Analyzing trace with hash 521434223, now seen corresponding path program 1 times [2023-12-25 13:24:45,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:45,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009966101] [2023-12-25 13:24:45,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:45,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:47,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:47,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009966101] [2023-12-25 13:24:47,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009966101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:47,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:47,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:47,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944136703] [2023-12-25 13:24:47,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:47,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:47,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:47,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:47,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:47,370 INFO L87 Difference]: Start difference. First operand 3565 states and 5822 transitions. Second operand has 5 states, 5 states have (on average 224.4) internal successors, (1122), 5 states have internal predecessors, (1122), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:47,647 INFO L93 Difference]: Finished difference Result 6322 states and 10298 transitions. [2023-12-25 13:24:47,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:47,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 224.4) internal successors, (1122), 5 states have internal predecessors, (1122), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1154 [2023-12-25 13:24:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:47,650 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:47,650 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:47,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:47,652 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10926 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10933 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:47,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10933 Valid, 11372 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:47,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:47,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6330146231721034) internal successors, (5807), 3556 states have internal predecessors, (5807), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5821 transitions. [2023-12-25 13:24:47,682 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5821 transitions. Word has length 1154 [2023-12-25 13:24:47,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:47,682 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5821 transitions. [2023-12-25 13:24:47,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 224.4) internal successors, (1122), 5 states have internal predecessors, (1122), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5821 transitions. [2023-12-25 13:24:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2023-12-25 13:24:47,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:47,691 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:47,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-25 13:24:47,691 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:47,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:47,692 INFO L85 PathProgramCache]: Analyzing trace with hash 115203385, now seen corresponding path program 1 times [2023-12-25 13:24:47,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:47,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278738812] [2023-12-25 13:24:47,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:47,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:49,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278738812] [2023-12-25 13:24:49,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278738812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:49,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:49,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:49,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273784813] [2023-12-25 13:24:49,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:49,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:49,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:49,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:49,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:49,977 INFO L87 Difference]: Start difference. First operand 3565 states and 5821 transitions. Second operand has 5 states, 5 states have (on average 224.6) internal successors, (1123), 5 states have internal predecessors, (1123), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:50,246 INFO L93 Difference]: Finished difference Result 6322 states and 10296 transitions. [2023-12-25 13:24:50,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:50,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 224.6) internal successors, (1123), 5 states have internal predecessors, (1123), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1155 [2023-12-25 13:24:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:50,249 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:50,249 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:50,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:50,251 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 5552 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5559 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:50,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5559 Valid, 11382 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:50,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6327334083239595) internal successors, (5806), 3556 states have internal predecessors, (5806), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5820 transitions. [2023-12-25 13:24:50,277 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5820 transitions. Word has length 1155 [2023-12-25 13:24:50,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:50,277 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5820 transitions. [2023-12-25 13:24:50,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 224.6) internal successors, (1123), 5 states have internal predecessors, (1123), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5820 transitions. [2023-12-25 13:24:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2023-12-25 13:24:50,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:50,286 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:50,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-25 13:24:50,286 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:50,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:50,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1668433111, now seen corresponding path program 1 times [2023-12-25 13:24:50,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:50,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537897405] [2023-12-25 13:24:50,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:50,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:52,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:52,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537897405] [2023-12-25 13:24:52,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537897405] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:52,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:52,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:52,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772313741] [2023-12-25 13:24:52,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:52,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:52,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:52,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:52,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:52,686 INFO L87 Difference]: Start difference. First operand 3565 states and 5820 transitions. Second operand has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:52,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:52,960 INFO L93 Difference]: Finished difference Result 6322 states and 10294 transitions. [2023-12-25 13:24:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:52,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1156 [2023-12-25 13:24:52,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:52,964 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:52,964 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:52,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:52,966 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 5548 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5555 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:52,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5555 Valid, 11382 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:52,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:52,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6324521934758156) internal successors, (5805), 3556 states have internal predecessors, (5805), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5819 transitions. [2023-12-25 13:24:52,995 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5819 transitions. Word has length 1156 [2023-12-25 13:24:52,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:52,995 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5819 transitions. [2023-12-25 13:24:52,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5819 transitions. [2023-12-25 13:24:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1158 [2023-12-25 13:24:53,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:53,004 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:53,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-25 13:24:53,004 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:53,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash 652389779, now seen corresponding path program 1 times [2023-12-25 13:24:53,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:53,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276767007] [2023-12-25 13:24:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:55,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:55,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276767007] [2023-12-25 13:24:55,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276767007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:55,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:55,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:55,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362157575] [2023-12-25 13:24:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:55,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:55,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:55,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:55,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:55,305 INFO L87 Difference]: Start difference. First operand 3565 states and 5819 transitions. Second operand has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:55,579 INFO L93 Difference]: Finished difference Result 6322 states and 10292 transitions. [2023-12-25 13:24:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:55,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1157 [2023-12-25 13:24:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:55,582 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:55,582 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:55,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:55,585 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10450 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10457 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:55,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10457 Valid, 11372 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:55,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:55,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6321709786276715) internal successors, (5804), 3556 states have internal predecessors, (5804), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5818 transitions. [2023-12-25 13:24:55,614 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5818 transitions. Word has length 1157 [2023-12-25 13:24:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:55,614 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5818 transitions. [2023-12-25 13:24:55,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5818 transitions. [2023-12-25 13:24:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2023-12-25 13:24:55,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:55,623 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:55,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-25 13:24:55,623 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:55,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash -651564733, now seen corresponding path program 1 times [2023-12-25 13:24:55,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:55,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469880622] [2023-12-25 13:24:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:55,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:24:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:24:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:24:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:24:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:24:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:24:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:24:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:24:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:24:57,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:24:57,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469880622] [2023-12-25 13:24:57,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469880622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:24:57,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:24:57,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:24:57,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282502869] [2023-12-25 13:24:57,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:24:57,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:24:57,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:24:57,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:24:57,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:24:57,914 INFO L87 Difference]: Start difference. First operand 3565 states and 5818 transitions. Second operand has 5 states, 5 states have (on average 225.2) internal successors, (1126), 5 states have internal predecessors, (1126), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:24:58,182 INFO L93 Difference]: Finished difference Result 6322 states and 10290 transitions. [2023-12-25 13:24:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:24:58,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 225.2) internal successors, (1126), 5 states have internal predecessors, (1126), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1158 [2023-12-25 13:24:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:24:58,185 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:24:58,185 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:24:58,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:24:58,187 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10442 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10449 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:24:58,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10449 Valid, 11372 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:24:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:24:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:24:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6318897637795275) internal successors, (5803), 3556 states have internal predecessors, (5803), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:24:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5817 transitions. [2023-12-25 13:24:58,215 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5817 transitions. Word has length 1158 [2023-12-25 13:24:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:24:58,215 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5817 transitions. [2023-12-25 13:24:58,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.2) internal successors, (1126), 5 states have internal predecessors, (1126), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:24:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5817 transitions. [2023-12-25 13:24:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2023-12-25 13:24:58,224 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:24:58,224 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:24:58,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-25 13:24:58,224 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:24:58,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:24:58,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2053213459, now seen corresponding path program 1 times [2023-12-25 13:24:58,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:24:58,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590024771] [2023-12-25 13:24:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:24:58,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:24:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:00,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:00,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590024771] [2023-12-25 13:25:00,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590024771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:00,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:00,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:00,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072665636] [2023-12-25 13:25:00,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:00,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:00,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:00,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:00,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:00,475 INFO L87 Difference]: Start difference. First operand 3565 states and 5817 transitions. Second operand has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:00,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:00,742 INFO L93 Difference]: Finished difference Result 6322 states and 10288 transitions. [2023-12-25 13:25:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:00,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1159 [2023-12-25 13:25:00,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:00,746 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:00,746 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:00,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:00,748 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10434 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10441 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:00,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10441 Valid, 11372 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:25:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:00,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6316085489313836) internal successors, (5802), 3556 states have internal predecessors, (5802), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5816 transitions. [2023-12-25 13:25:00,780 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5816 transitions. Word has length 1159 [2023-12-25 13:25:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:00,780 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5816 transitions. [2023-12-25 13:25:00,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:00,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5816 transitions. [2023-12-25 13:25:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1161 [2023-12-25 13:25:00,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:00,789 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:00,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-25 13:25:00,789 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:00,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:00,790 INFO L85 PathProgramCache]: Analyzing trace with hash 154106973, now seen corresponding path program 1 times [2023-12-25 13:25:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:00,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803089571] [2023-12-25 13:25:00,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:00,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:03,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:03,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803089571] [2023-12-25 13:25:03,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803089571] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:03,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:03,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:03,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656065853] [2023-12-25 13:25:03,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:03,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:03,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:03,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:03,023 INFO L87 Difference]: Start difference. First operand 3565 states and 5816 transitions. Second operand has 5 states, 5 states have (on average 225.6) internal successors, (1128), 5 states have internal predecessors, (1128), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:03,292 INFO L93 Difference]: Finished difference Result 6322 states and 10286 transitions. [2023-12-25 13:25:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:03,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 225.6) internal successors, (1128), 5 states have internal predecessors, (1128), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1160 [2023-12-25 13:25:03,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:03,295 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:03,295 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:03,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:03,297 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10426 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10433 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:03,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10433 Valid, 11372 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:25:03,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6313273340832395) internal successors, (5801), 3556 states have internal predecessors, (5801), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5815 transitions. [2023-12-25 13:25:03,329 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5815 transitions. Word has length 1160 [2023-12-25 13:25:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:03,329 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5815 transitions. [2023-12-25 13:25:03,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.6) internal successors, (1128), 5 states have internal predecessors, (1128), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5815 transitions. [2023-12-25 13:25:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2023-12-25 13:25:03,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:03,338 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:03,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-25 13:25:03,338 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:03,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:03,339 INFO L85 PathProgramCache]: Analyzing trace with hash 847621447, now seen corresponding path program 1 times [2023-12-25 13:25:03,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:03,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410161672] [2023-12-25 13:25:03,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:05,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:05,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410161672] [2023-12-25 13:25:05,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410161672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:05,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:05,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:05,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955088442] [2023-12-25 13:25:05,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:05,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:05,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:05,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:05,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:05,546 INFO L87 Difference]: Start difference. First operand 3565 states and 5815 transitions. Second operand has 5 states, 5 states have (on average 225.8) internal successors, (1129), 5 states have internal predecessors, (1129), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:05,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:05,814 INFO L93 Difference]: Finished difference Result 6322 states and 10284 transitions. [2023-12-25 13:25:05,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:05,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 225.8) internal successors, (1129), 5 states have internal predecessors, (1129), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1161 [2023-12-25 13:25:05,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:05,818 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:05,818 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:05,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:05,820 INFO L413 NwaCegarLoop]: 5685 mSDtfsCounter, 10418 mSDsluCounter, 5687 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10425 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:05,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10425 Valid, 11372 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:25:05,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6310461192350956) internal successors, (5800), 3556 states have internal predecessors, (5800), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5814 transitions. [2023-12-25 13:25:05,852 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5814 transitions. Word has length 1161 [2023-12-25 13:25:05,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:05,853 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5814 transitions. [2023-12-25 13:25:05,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.8) internal successors, (1129), 5 states have internal predecessors, (1129), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5814 transitions. [2023-12-25 13:25:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1163 [2023-12-25 13:25:05,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:05,861 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:05,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-12-25 13:25:05,861 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:05,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash 363263095, now seen corresponding path program 1 times [2023-12-25 13:25:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:05,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196439664] [2023-12-25 13:25:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:09,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:09,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196439664] [2023-12-25 13:25:09,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196439664] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:09,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:09,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:25:09,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87404676] [2023-12-25 13:25:09,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:09,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:25:09,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:09,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:25:09,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:25:09,065 INFO L87 Difference]: Start difference. First operand 3565 states and 5814 transitions. Second operand has 4 states, 4 states have (on average 282.5) internal successors, (1130), 4 states have internal predecessors, (1130), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:09,241 INFO L93 Difference]: Finished difference Result 6322 states and 10282 transitions. [2023-12-25 13:25:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:09,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 282.5) internal successors, (1130), 4 states have internal predecessors, (1130), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1162 [2023-12-25 13:25:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:09,244 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:09,244 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:09,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:09,249 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 5168 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5168 SdHoareTripleChecker+Valid, 11468 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:09,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5168 Valid, 11468 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:09,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:09,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6307649043869517) internal successors, (5799), 3556 states have internal predecessors, (5799), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5813 transitions. [2023-12-25 13:25:09,284 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5813 transitions. Word has length 1162 [2023-12-25 13:25:09,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:09,284 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5813 transitions. [2023-12-25 13:25:09,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 282.5) internal successors, (1130), 4 states have internal predecessors, (1130), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5813 transitions. [2023-12-25 13:25:09,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1164 [2023-12-25 13:25:09,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:09,293 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:09,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-12-25 13:25:09,293 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:09,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:09,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1082781455, now seen corresponding path program 1 times [2023-12-25 13:25:09,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:09,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592037384] [2023-12-25 13:25:09,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:11,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:11,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592037384] [2023-12-25 13:25:11,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592037384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:11,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:11,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:11,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999044925] [2023-12-25 13:25:11,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:11,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:11,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:11,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:11,606 INFO L87 Difference]: Start difference. First operand 3565 states and 5813 transitions. Second operand has 5 states, 5 states have (on average 226.2) internal successors, (1131), 5 states have internal predecessors, (1131), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:11,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:11,791 INFO L93 Difference]: Finished difference Result 6322 states and 10280 transitions. [2023-12-25 13:25:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:11,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 226.2) internal successors, (1131), 5 states have internal predecessors, (1131), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1163 [2023-12-25 13:25:11,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:11,795 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:11,795 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:11,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:11,797 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 10952 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10959 SdHoareTripleChecker+Valid, 11468 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:11,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10959 Valid, 11468 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:11,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:11,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6304836895388077) internal successors, (5798), 3556 states have internal predecessors, (5798), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5812 transitions. [2023-12-25 13:25:11,826 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5812 transitions. Word has length 1163 [2023-12-25 13:25:11,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:11,827 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5812 transitions. [2023-12-25 13:25:11,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 226.2) internal successors, (1131), 5 states have internal predecessors, (1131), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5812 transitions. [2023-12-25 13:25:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1165 [2023-12-25 13:25:11,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:11,836 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:11,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-12-25 13:25:11,836 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:11,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:11,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1397065123, now seen corresponding path program 1 times [2023-12-25 13:25:11,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:11,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430024263] [2023-12-25 13:25:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:11,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:14,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430024263] [2023-12-25 13:25:14,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430024263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:14,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:14,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:14,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022087423] [2023-12-25 13:25:14,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:14,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:14,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:14,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:14,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:14,094 INFO L87 Difference]: Start difference. First operand 3565 states and 5812 transitions. Second operand has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:14,267 INFO L93 Difference]: Finished difference Result 6322 states and 10278 transitions. [2023-12-25 13:25:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:14,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1164 [2023-12-25 13:25:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:14,271 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:14,271 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:14,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:14,273 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 10944 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10951 SdHoareTripleChecker+Valid, 11468 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:14,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10951 Valid, 11468 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:14,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6302024746906636) internal successors, (5797), 3556 states have internal predecessors, (5797), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5811 transitions. [2023-12-25 13:25:14,305 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5811 transitions. Word has length 1164 [2023-12-25 13:25:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:14,305 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5811 transitions. [2023-12-25 13:25:14,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5811 transitions. [2023-12-25 13:25:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2023-12-25 13:25:14,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:14,314 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:14,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-12-25 13:25:14,314 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:14,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:14,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1234498251, now seen corresponding path program 1 times [2023-12-25 13:25:14,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:14,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168962035] [2023-12-25 13:25:14,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:14,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:16,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:16,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168962035] [2023-12-25 13:25:16,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168962035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:16,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:16,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349192421] [2023-12-25 13:25:16,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:16,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:16,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:16,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:16,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:16,578 INFO L87 Difference]: Start difference. First operand 3565 states and 5811 transitions. Second operand has 5 states, 5 states have (on average 226.6) internal successors, (1133), 5 states have internal predecessors, (1133), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:16,751 INFO L93 Difference]: Finished difference Result 6322 states and 10276 transitions. [2023-12-25 13:25:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:16,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 226.6) internal successors, (1133), 5 states have internal predecessors, (1133), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1165 [2023-12-25 13:25:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:16,754 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:16,754 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:16,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:16,756 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 5783 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5790 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:16,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5790 Valid, 11478 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:16,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6299212598425197) internal successors, (5796), 3556 states have internal predecessors, (5796), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5810 transitions. [2023-12-25 13:25:16,786 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5810 transitions. Word has length 1165 [2023-12-25 13:25:16,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:16,786 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5810 transitions. [2023-12-25 13:25:16,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 226.6) internal successors, (1133), 5 states have internal predecessors, (1133), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5810 transitions. [2023-12-25 13:25:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2023-12-25 13:25:16,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:16,796 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:16,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-12-25 13:25:16,796 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:16,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:16,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1817547965, now seen corresponding path program 1 times [2023-12-25 13:25:16,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:16,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484251596] [2023-12-25 13:25:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:19,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:19,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484251596] [2023-12-25 13:25:19,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484251596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:19,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:19,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:19,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652123826] [2023-12-25 13:25:19,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:19,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:19,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:19,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:19,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:19,139 INFO L87 Difference]: Start difference. First operand 3565 states and 5810 transitions. Second operand has 5 states, 5 states have (on average 226.8) internal successors, (1134), 5 states have internal predecessors, (1134), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:19,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:19,313 INFO L93 Difference]: Finished difference Result 6322 states and 10274 transitions. [2023-12-25 13:25:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:19,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 226.8) internal successors, (1134), 5 states have internal predecessors, (1134), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1166 [2023-12-25 13:25:19,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:19,316 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:19,316 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:19,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:19,319 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 5540 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:19,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5547 Valid, 11478 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:19,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6296400449943758) internal successors, (5795), 3556 states have internal predecessors, (5795), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5809 transitions. [2023-12-25 13:25:19,351 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5809 transitions. Word has length 1166 [2023-12-25 13:25:19,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:19,351 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5809 transitions. [2023-12-25 13:25:19,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 226.8) internal successors, (1134), 5 states have internal predecessors, (1134), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5809 transitions. [2023-12-25 13:25:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2023-12-25 13:25:19,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:19,360 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:19,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-12-25 13:25:19,360 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:19,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:19,361 INFO L85 PathProgramCache]: Analyzing trace with hash 849191405, now seen corresponding path program 1 times [2023-12-25 13:25:19,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:19,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015899510] [2023-12-25 13:25:19,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:19,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:21,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:21,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015899510] [2023-12-25 13:25:21,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015899510] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:21,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:21,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:21,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327608970] [2023-12-25 13:25:21,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:21,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:21,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:21,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:21,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:21,748 INFO L87 Difference]: Start difference. First operand 3565 states and 5809 transitions. Second operand has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:21,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:21,934 INFO L93 Difference]: Finished difference Result 6322 states and 10272 transitions. [2023-12-25 13:25:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:21,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1167 [2023-12-25 13:25:21,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:21,938 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:21,938 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:21,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:21,940 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 5536 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5543 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:21,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5543 Valid, 11478 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:21,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6293588301462316) internal successors, (5794), 3556 states have internal predecessors, (5794), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5808 transitions. [2023-12-25 13:25:21,971 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5808 transitions. Word has length 1167 [2023-12-25 13:25:21,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:21,972 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5808 transitions. [2023-12-25 13:25:21,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5808 transitions. [2023-12-25 13:25:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2023-12-25 13:25:21,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:21,981 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:21,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-12-25 13:25:21,981 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:21,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash 346042461, now seen corresponding path program 1 times [2023-12-25 13:25:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:21,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726152198] [2023-12-25 13:25:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:21,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:24,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:24,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726152198] [2023-12-25 13:25:24,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726152198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:24,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:24,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:24,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783615502] [2023-12-25 13:25:24,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:24,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:24,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:24,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:24,272 INFO L87 Difference]: Start difference. First operand 3565 states and 5808 transitions. Second operand has 5 states, 5 states have (on average 227.2) internal successors, (1136), 5 states have internal predecessors, (1136), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:24,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:24,472 INFO L93 Difference]: Finished difference Result 6322 states and 10270 transitions. [2023-12-25 13:25:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:24,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 227.2) internal successors, (1136), 5 states have internal predecessors, (1136), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1168 [2023-12-25 13:25:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:24,476 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:24,476 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:24,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:24,478 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 10434 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10441 SdHoareTripleChecker+Valid, 11468 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:24,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10441 Valid, 11468 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:24,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6290776152980877) internal successors, (5793), 3556 states have internal predecessors, (5793), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5807 transitions. [2023-12-25 13:25:24,507 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5807 transitions. Word has length 1168 [2023-12-25 13:25:24,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:24,507 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5807 transitions. [2023-12-25 13:25:24,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.2) internal successors, (1136), 5 states have internal predecessors, (1136), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5807 transitions. [2023-12-25 13:25:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2023-12-25 13:25:24,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:24,516 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:24,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-12-25 13:25:24,516 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:24,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:24,517 INFO L85 PathProgramCache]: Analyzing trace with hash -129200569, now seen corresponding path program 1 times [2023-12-25 13:25:24,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:24,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336485812] [2023-12-25 13:25:24,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:24,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:26,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:26,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336485812] [2023-12-25 13:25:26,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336485812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:26,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69687007] [2023-12-25 13:25:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:26,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:26,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:26,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:26,749 INFO L87 Difference]: Start difference. First operand 3565 states and 5807 transitions. Second operand has 5 states, 5 states have (on average 227.4) internal successors, (1137), 5 states have internal predecessors, (1137), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:26,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:26,932 INFO L93 Difference]: Finished difference Result 6322 states and 10268 transitions. [2023-12-25 13:25:26,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:26,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 227.4) internal successors, (1137), 5 states have internal predecessors, (1137), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1169 [2023-12-25 13:25:26,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:26,936 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:26,936 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:26,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:26,938 INFO L413 NwaCegarLoop]: 5733 mSDtfsCounter, 5528 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5535 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:26,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5535 Valid, 11478 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6287964004499438) internal successors, (5792), 3556 states have internal predecessors, (5792), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5806 transitions. [2023-12-25 13:25:27,027 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5806 transitions. Word has length 1169 [2023-12-25 13:25:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:27,028 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5806 transitions. [2023-12-25 13:25:27,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.4) internal successors, (1137), 5 states have internal predecessors, (1137), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5806 transitions. [2023-12-25 13:25:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2023-12-25 13:25:27,036 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:27,036 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:27,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-12-25 13:25:27,037 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:27,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:27,037 INFO L85 PathProgramCache]: Analyzing trace with hash 890296951, now seen corresponding path program 1 times [2023-12-25 13:25:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:27,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404034188] [2023-12-25 13:25:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:30,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404034188] [2023-12-25 13:25:30,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404034188] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:30,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:30,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:25:30,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713155839] [2023-12-25 13:25:30,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:30,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:25:30,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:30,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:25:30,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:25:30,371 INFO L87 Difference]: Start difference. First operand 3565 states and 5806 transitions. Second operand has 4 states, 4 states have (on average 284.5) internal successors, (1138), 4 states have internal predecessors, (1138), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:30,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:30,507 INFO L93 Difference]: Finished difference Result 6322 states and 10266 transitions. [2023-12-25 13:25:30,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:30,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 284.5) internal successors, (1138), 4 states have internal predecessors, (1138), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1170 [2023-12-25 13:25:30,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:30,510 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:30,510 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:30,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:30,512 INFO L413 NwaCegarLoop]: 5757 mSDtfsCounter, 4911 mSDsluCounter, 5759 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4911 SdHoareTripleChecker+Valid, 11516 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:30,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4911 Valid, 11516 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:30,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:30,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6282339707536557) internal successors, (5790), 3556 states have internal predecessors, (5790), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5804 transitions. [2023-12-25 13:25:30,542 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5804 transitions. Word has length 1170 [2023-12-25 13:25:30,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:30,542 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5804 transitions. [2023-12-25 13:25:30,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 284.5) internal successors, (1138), 4 states have internal predecessors, (1138), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5804 transitions. [2023-12-25 13:25:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2023-12-25 13:25:30,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:30,551 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:30,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-12-25 13:25:30,552 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:30,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1834826411, now seen corresponding path program 1 times [2023-12-25 13:25:30,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:30,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000837226] [2023-12-25 13:25:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:33,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000837226] [2023-12-25 13:25:33,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000837226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:33,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:33,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:33,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578332105] [2023-12-25 13:25:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:33,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:33,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:33,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:33,040 INFO L87 Difference]: Start difference. First operand 3565 states and 5804 transitions. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:33,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:33,179 INFO L93 Difference]: Finished difference Result 6604 states and 10668 transitions. [2023-12-25 13:25:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:25:33,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1171 [2023-12-25 13:25:33,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:33,183 INFO L225 Difference]: With dead ends: 6604 [2023-12-25 13:25:33,183 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:33,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:25:33,185 INFO L413 NwaCegarLoop]: 5789 mSDtfsCounter, 5720 mSDsluCounter, 11555 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5720 SdHoareTripleChecker+Valid, 17344 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:33,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5720 Valid, 17344 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:33,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:33,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6279527559055118) internal successors, (5789), 3556 states have internal predecessors, (5789), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5803 transitions. [2023-12-25 13:25:33,217 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5803 transitions. Word has length 1171 [2023-12-25 13:25:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:33,217 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5803 transitions. [2023-12-25 13:25:33,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5803 transitions. [2023-12-25 13:25:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:25:33,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:33,227 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:33,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-12-25 13:25:33,229 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:33,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:33,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1280616737, now seen corresponding path program 1 times [2023-12-25 13:25:33,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:33,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919356346] [2023-12-25 13:25:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:33,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:35,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:35,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919356346] [2023-12-25 13:25:35,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919356346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:35,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:35,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:35,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782852254] [2023-12-25 13:25:35,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:35,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:35,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:35,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:35,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:35,628 INFO L87 Difference]: Start difference. First operand 3565 states and 5803 transitions. Second operand has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:35,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:35,768 INFO L93 Difference]: Finished difference Result 6322 states and 10260 transitions. [2023-12-25 13:25:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:35,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1172 [2023-12-25 13:25:35,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:35,772 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:35,773 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:35,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:35,776 INFO L413 NwaCegarLoop]: 5757 mSDtfsCounter, 5781 mSDsluCounter, 5769 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5788 SdHoareTripleChecker+Valid, 11526 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:35,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5788 Valid, 11526 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:35,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6276715410573679) internal successors, (5788), 3556 states have internal predecessors, (5788), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5802 transitions. [2023-12-25 13:25:35,816 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5802 transitions. Word has length 1172 [2023-12-25 13:25:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:35,816 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5802 transitions. [2023-12-25 13:25:35,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.0) internal successors, (1140), 5 states have internal predecessors, (1140), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5802 transitions. [2023-12-25 13:25:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2023-12-25 13:25:35,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:35,825 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:35,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-12-25 13:25:35,827 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:35,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:35,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1066464261, now seen corresponding path program 1 times [2023-12-25 13:25:35,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:35,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973057522] [2023-12-25 13:25:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:38,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:38,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973057522] [2023-12-25 13:25:38,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973057522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:38,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:38,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:38,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658499193] [2023-12-25 13:25:38,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:38,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:38,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:38,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:38,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:38,644 INFO L87 Difference]: Start difference. First operand 3565 states and 5802 transitions. Second operand has 5 states, 5 states have (on average 228.2) internal successors, (1141), 5 states have internal predecessors, (1141), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:38,788 INFO L93 Difference]: Finished difference Result 6322 states and 10258 transitions. [2023-12-25 13:25:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:38,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.2) internal successors, (1141), 5 states have internal predecessors, (1141), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1173 [2023-12-25 13:25:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:38,792 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:38,792 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:38,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:38,794 INFO L413 NwaCegarLoop]: 5757 mSDtfsCounter, 10428 mSDsluCounter, 5759 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10435 SdHoareTripleChecker+Valid, 11516 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:38,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10435 Valid, 11516 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:38,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:38,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:38,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6273903262092237) internal successors, (5787), 3556 states have internal predecessors, (5787), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5801 transitions. [2023-12-25 13:25:38,828 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5801 transitions. Word has length 1173 [2023-12-25 13:25:38,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:38,828 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5801 transitions. [2023-12-25 13:25:38,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.2) internal successors, (1141), 5 states have internal predecessors, (1141), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5801 transitions. [2023-12-25 13:25:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:25:38,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:38,837 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:38,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-12-25 13:25:38,838 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:38,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1827250169, now seen corresponding path program 1 times [2023-12-25 13:25:38,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:38,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34043945] [2023-12-25 13:25:38,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:45,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:45,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34043945] [2023-12-25 13:25:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34043945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:45,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:45,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:25:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031285164] [2023-12-25 13:25:45,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:45,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:25:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:45,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:25:45,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:25:45,574 INFO L87 Difference]: Start difference. First operand 3565 states and 5801 transitions. Second operand has 4 states, 4 states have (on average 285.5) internal successors, (1142), 4 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:45,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:45,778 INFO L93 Difference]: Finished difference Result 6322 states and 10256 transitions. [2023-12-25 13:25:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:45,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 285.5) internal successors, (1142), 4 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:25:45,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:45,781 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:45,781 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:45,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:45,783 INFO L413 NwaCegarLoop]: 5757 mSDtfsCounter, 5157 mSDsluCounter, 5759 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5157 SdHoareTripleChecker+Valid, 11516 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:45,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5157 Valid, 11516 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:25:45,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:45,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6271091113610798) internal successors, (5786), 3556 states have internal predecessors, (5786), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5800 transitions. [2023-12-25 13:25:45,813 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5800 transitions. Word has length 1174 [2023-12-25 13:25:45,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:45,814 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5800 transitions. [2023-12-25 13:25:45,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 285.5) internal successors, (1142), 4 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5800 transitions. [2023-12-25 13:25:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:25:45,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:45,823 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:45,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-12-25 13:25:45,823 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:45,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash 31596599, now seen corresponding path program 1 times [2023-12-25 13:25:45,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:45,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093632126] [2023-12-25 13:25:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:52,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:52,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093632126] [2023-12-25 13:25:52,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093632126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:52,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:52,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408519133] [2023-12-25 13:25:52,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:52,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:52,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:52,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:52,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:52,289 INFO L87 Difference]: Start difference. First operand 3565 states and 5800 transitions. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:52,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:52,481 INFO L93 Difference]: Finished difference Result 6322 states and 10254 transitions. [2023-12-25 13:25:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:52,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:25:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:52,484 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:52,485 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:52,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:52,487 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 5152 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5152 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:52,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5152 Valid, 11456 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.626827896512936) internal successors, (5785), 3556 states have internal predecessors, (5785), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5799 transitions. [2023-12-25 13:25:52,524 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5799 transitions. Word has length 1174 [2023-12-25 13:25:52,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:52,525 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5799 transitions. [2023-12-25 13:25:52,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5799 transitions. [2023-12-25 13:25:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:25:52,534 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:52,534 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:52,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-12-25 13:25:52,534 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:52,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:52,535 INFO L85 PathProgramCache]: Analyzing trace with hash -631822603, now seen corresponding path program 1 times [2023-12-25 13:25:52,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:52,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849146017] [2023-12-25 13:25:52,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:52,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:25:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:25:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:25:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:25:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:25:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:25:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:25:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:25:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:25:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:25:58,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:25:58,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849146017] [2023-12-25 13:25:58,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849146017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:25:58,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:25:58,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:25:58,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038701678] [2023-12-25 13:25:58,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:25:58,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:25:58,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:25:58,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:25:58,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:25:58,118 INFO L87 Difference]: Start difference. First operand 3565 states and 5799 transitions. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:58,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:25:58,319 INFO L93 Difference]: Finished difference Result 6322 states and 10252 transitions. [2023-12-25 13:25:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:25:58,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:25:58,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:25:58,323 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:25:58,323 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:25:58,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:25:58,326 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 5148 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:25:58,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 11466 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:25:58,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:25:58,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:25:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.626546681664792) internal successors, (5784), 3556 states have internal predecessors, (5784), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:25:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5798 transitions. [2023-12-25 13:25:58,359 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5798 transitions. Word has length 1174 [2023-12-25 13:25:58,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:25:58,359 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5798 transitions. [2023-12-25 13:25:58,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:25:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5798 transitions. [2023-12-25 13:25:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:25:58,368 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:25:58,368 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:25:58,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-12-25 13:25:58,369 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:25:58,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:25:58,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1032308983, now seen corresponding path program 1 times [2023-12-25 13:25:58,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:25:58,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714797366] [2023-12-25 13:25:58,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:25:58,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:26:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:03,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:03,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714797366] [2023-12-25 13:26:03,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714797366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:03,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:03,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:26:03,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33707616] [2023-12-25 13:26:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:03,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:26:03,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:03,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:26:03,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:03,865 INFO L87 Difference]: Start difference. First operand 3565 states and 5798 transitions. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:04,078 INFO L93 Difference]: Finished difference Result 6322 states and 10250 transitions. [2023-12-25 13:26:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:04,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:26:04,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:04,082 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:26:04,082 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:26:04,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:26:04,084 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 5147 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5147 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:04,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5147 Valid, 11466 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:26:04,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:26:04,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:26:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6262654668166479) internal successors, (5783), 3556 states have internal predecessors, (5783), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:26:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5797 transitions. [2023-12-25 13:26:04,121 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5797 transitions. Word has length 1174 [2023-12-25 13:26:04,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:04,122 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5797 transitions. [2023-12-25 13:26:04,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5797 transitions. [2023-12-25 13:26:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:26:04,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:04,131 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:04,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-12-25 13:26:04,131 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:04,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1191168459, now seen corresponding path program 1 times [2023-12-25 13:26:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:04,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109077110] [2023-12-25 13:26:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:04,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:26:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:10,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:10,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109077110] [2023-12-25 13:26:10,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109077110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:10,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:10,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:26:10,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536104925] [2023-12-25 13:26:10,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:10,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:26:10,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:10,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:26:10,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:10,359 INFO L87 Difference]: Start difference. First operand 3565 states and 5797 transitions. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:10,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:10,601 INFO L93 Difference]: Finished difference Result 6322 states and 10248 transitions. [2023-12-25 13:26:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:10,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:26:10,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:10,605 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:26:10,605 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:26:10,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:26:10,606 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 5146 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5146 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:10,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5146 Valid, 11466 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:26:10,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:26:10,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:26:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.625984251968504) internal successors, (5782), 3556 states have internal predecessors, (5782), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:26:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5796 transitions. [2023-12-25 13:26:10,638 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5796 transitions. Word has length 1174 [2023-12-25 13:26:10,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:10,639 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5796 transitions. [2023-12-25 13:26:10,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5796 transitions. [2023-12-25 13:26:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:26:10,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:10,647 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:10,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-12-25 13:26:10,648 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:10,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1366290761, now seen corresponding path program 1 times [2023-12-25 13:26:10,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:10,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980938195] [2023-12-25 13:26:10,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:10,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:26:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:17,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:17,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980938195] [2023-12-25 13:26:17,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980938195] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:17,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:17,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:26:17,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437108205] [2023-12-25 13:26:17,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:17,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:26:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:17,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:26:17,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:17,065 INFO L87 Difference]: Start difference. First operand 3565 states and 5796 transitions. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:17,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:17,256 INFO L93 Difference]: Finished difference Result 6322 states and 10246 transitions. [2023-12-25 13:26:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:17,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:26:17,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:17,260 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:26:17,260 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:26:17,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:26:17,263 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 10034 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10034 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:17,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10034 Valid, 11456 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:26:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:26:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:26:17,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.62570303712036) internal successors, (5781), 3556 states have internal predecessors, (5781), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:26:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5795 transitions. [2023-12-25 13:26:17,295 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5795 transitions. Word has length 1174 [2023-12-25 13:26:17,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:17,296 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5795 transitions. [2023-12-25 13:26:17,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5795 transitions. [2023-12-25 13:26:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:26:17,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:17,305 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:17,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2023-12-25 13:26:17,305 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:17,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:17,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1638345355, now seen corresponding path program 1 times [2023-12-25 13:26:17,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:17,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716532004] [2023-12-25 13:26:17,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:17,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:26:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:23,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:23,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716532004] [2023-12-25 13:26:23,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716532004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:23,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:23,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:26:23,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808982096] [2023-12-25 13:26:23,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:23,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:26:23,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:23,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:26:23,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:23,079 INFO L87 Difference]: Start difference. First operand 3565 states and 5795 transitions. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:23,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:23,269 INFO L93 Difference]: Finished difference Result 6322 states and 10244 transitions. [2023-12-25 13:26:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:23,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1174 [2023-12-25 13:26:23,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:23,273 INFO L225 Difference]: With dead ends: 6322 [2023-12-25 13:26:23,273 INFO L226 Difference]: Without dead ends: 3565 [2023-12-25 13:26:23,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:26:23,275 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 10029 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10029 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:23,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10029 Valid, 11456 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:26:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-12-25 13:26:23,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3565. [2023-12-25 13:26:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3556 states have (on average 1.6254218222722159) internal successors, (5780), 3556 states have internal predecessors, (5780), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 13:26:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 5794 transitions. [2023-12-25 13:26:23,308 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 5794 transitions. Word has length 1174 [2023-12-25 13:26:23,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:23,308 INFO L495 AbstractCegarLoop]: Abstraction has 3565 states and 5794 transitions. [2023-12-25 13:26:23,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 5794 transitions. [2023-12-25 13:26:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:26:23,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:23,317 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:23,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2023-12-25 13:26:23,317 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:23,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:23,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1865566345, now seen corresponding path program 1 times [2023-12-25 13:26:23,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:23,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101631566] [2023-12-25 13:26:23,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:23,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-12-25 13:26:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:34,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:34,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101631566] [2023-12-25 13:26:34,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101631566] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:34,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:34,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 13:26:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525093293] [2023-12-25 13:26:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 13:26:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:34,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 13:26:34,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-25 13:26:34,089 INFO L87 Difference]: Start difference. First operand 3565 states and 5794 transitions. Second operand has 11 states, 11 states have (on average 103.81818181818181) internal successors, (1142), 11 states have internal predecessors, (1142), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 13:26:37,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:37,219 INFO L93 Difference]: Finished difference Result 11965 states and 19353 transitions. [2023-12-25 13:26:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 13:26:37,220 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 103.81818181818181) internal successors, (1142), 11 states have internal predecessors, (1142), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 1174 [2023-12-25 13:26:37,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:37,229 INFO L225 Difference]: With dead ends: 11965 [2023-12-25 13:26:37,230 INFO L226 Difference]: Without dead ends: 9180 [2023-12-25 13:26:37,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2023-12-25 13:26:37,233 INFO L413 NwaCegarLoop]: 10289 mSDtfsCounter, 23029 mSDsluCounter, 66652 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23036 SdHoareTripleChecker+Valid, 76941 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:37,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23036 Valid, 76941 Invalid, 2663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 13:26:37,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9180 states. [2023-12-25 13:26:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9180 to 3676. [2023-12-25 13:26:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6249658563234088) internal successors, (5949), 3661 states have internal predecessors, (5949), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:26:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5975 transitions. [2023-12-25 13:26:37,302 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5975 transitions. Word has length 1174 [2023-12-25 13:26:37,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:37,302 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5975 transitions. [2023-12-25 13:26:37,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 103.81818181818181) internal successors, (1142), 11 states have internal predecessors, (1142), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-25 13:26:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5975 transitions. [2023-12-25 13:26:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:26:37,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:37,311 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:37,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2023-12-25 13:26:37,311 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:37,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1187406351, now seen corresponding path program 1 times [2023-12-25 13:26:37,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:37,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387851535] [2023-12-25 13:26:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:37,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:26:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:44,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:44,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387851535] [2023-12-25 13:26:44,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387851535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:44,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:44,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:26:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354701949] [2023-12-25 13:26:44,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:44,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:26:44,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:26:44,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:26:44,448 INFO L87 Difference]: Start difference. First operand 3676 states and 5975 transitions. Second operand has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:44,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:44,704 INFO L93 Difference]: Finished difference Result 6433 states and 10423 transitions. [2023-12-25 13:26:44,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:44,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:26:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:44,708 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:26:44,708 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:26:44,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:44,711 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5131 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:44,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5131 Valid, 11332 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:26:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:26:44,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:26:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6246927069106802) internal successors, (5948), 3661 states have internal predecessors, (5948), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:26:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5974 transitions. [2023-12-25 13:26:44,762 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5974 transitions. Word has length 1175 [2023-12-25 13:26:44,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:44,762 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5974 transitions. [2023-12-25 13:26:44,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5974 transitions. [2023-12-25 13:26:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:26:44,771 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:44,772 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:44,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2023-12-25 13:26:44,772 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:44,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:44,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1645981265, now seen corresponding path program 1 times [2023-12-25 13:26:44,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:44,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352897667] [2023-12-25 13:26:44,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:44,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:26:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:50,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:50,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352897667] [2023-12-25 13:26:50,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352897667] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:50,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:50,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:26:50,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693507739] [2023-12-25 13:26:50,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:50,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:26:50,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:50,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:26:50,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:50,580 INFO L87 Difference]: Start difference. First operand 3676 states and 5974 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:50,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:50,867 INFO L93 Difference]: Finished difference Result 6433 states and 10421 transitions. [2023-12-25 13:26:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:50,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:26:50,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:50,871 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:26:50,871 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:26:50,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:26:50,873 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 10255 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10255 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:50,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10255 Valid, 11332 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:26:50,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:26:50,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:26:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6244195574979514) internal successors, (5947), 3661 states have internal predecessors, (5947), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:26:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5973 transitions. [2023-12-25 13:26:50,922 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5973 transitions. Word has length 1175 [2023-12-25 13:26:50,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:50,922 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5973 transitions. [2023-12-25 13:26:50,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:50,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5973 transitions. [2023-12-25 13:26:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:26:50,931 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:50,932 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:50,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2023-12-25 13:26:50,932 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:50,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:50,932 INFO L85 PathProgramCache]: Analyzing trace with hash -947493199, now seen corresponding path program 1 times [2023-12-25 13:26:50,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:50,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057955319] [2023-12-25 13:26:50,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:26:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:26:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:26:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:26:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:26:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:26:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:26:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:26:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:26:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:26:56,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:26:56,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057955319] [2023-12-25 13:26:56,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057955319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:26:56,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:26:56,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:26:56,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128623879] [2023-12-25 13:26:56,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:26:56,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:26:56,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:26:56,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:26:56,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:26:56,700 INFO L87 Difference]: Start difference. First operand 3676 states and 5973 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:56,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:26:56,987 INFO L93 Difference]: Finished difference Result 6433 states and 10419 transitions. [2023-12-25 13:26:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:26:56,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:26:56,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:26:56,991 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:26:56,991 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:26:56,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:26:56,993 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 10250 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10250 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:26:56,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10250 Valid, 11332 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:26:56,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:26:57,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:26:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6241464080852226) internal successors, (5946), 3661 states have internal predecessors, (5946), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:26:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5972 transitions. [2023-12-25 13:26:57,045 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5972 transitions. Word has length 1175 [2023-12-25 13:26:57,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:26:57,045 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5972 transitions. [2023-12-25 13:26:57,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:26:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5972 transitions. [2023-12-25 13:26:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:26:57,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:26:57,055 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:26:57,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2023-12-25 13:26:57,055 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:26:57,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:26:57,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1614430447, now seen corresponding path program 1 times [2023-12-25 13:26:57,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:26:57,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202879381] [2023-12-25 13:26:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:26:57,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:03,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:03,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202879381] [2023-12-25 13:27:03,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202879381] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:03,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:03,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:03,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748780375] [2023-12-25 13:27:03,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:03,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:03,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:03,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:03,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:03,544 INFO L87 Difference]: Start difference. First operand 3676 states and 5972 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:03,911 INFO L93 Difference]: Finished difference Result 6433 states and 10417 transitions. [2023-12-25 13:27:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:03,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:03,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:03,915 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:03,915 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:03,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:03,916 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 10245 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10245 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:03,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10245 Valid, 11332 Invalid, 247 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:03,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:03,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6238732586724938) internal successors, (5945), 3661 states have internal predecessors, (5945), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5971 transitions. [2023-12-25 13:27:03,963 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5971 transitions. Word has length 1175 [2023-12-25 13:27:03,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:03,964 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5971 transitions. [2023-12-25 13:27:03,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:03,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5971 transitions. [2023-12-25 13:27:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:03,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:03,974 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:03,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2023-12-25 13:27:03,974 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:03,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1639399567, now seen corresponding path program 1 times [2023-12-25 13:27:03,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:03,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161420929] [2023-12-25 13:27:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:11,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:11,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161420929] [2023-12-25 13:27:11,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161420929] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:11,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:11,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:11,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896429973] [2023-12-25 13:27:11,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:11,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:11,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:11,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:11,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:11,043 INFO L87 Difference]: Start difference. First operand 3676 states and 5971 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:11,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:11,312 INFO L93 Difference]: Finished difference Result 6433 states and 10415 transitions. [2023-12-25 13:27:11,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:11,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:11,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:11,316 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:11,317 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:11,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:11,320 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 10240 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10240 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:11,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10240 Valid, 11332 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:11,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6236001092597652) internal successors, (5944), 3661 states have internal predecessors, (5944), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5970 transitions. [2023-12-25 13:27:11,372 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5970 transitions. Word has length 1175 [2023-12-25 13:27:11,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:11,372 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5970 transitions. [2023-12-25 13:27:11,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:11,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5970 transitions. [2023-12-25 13:27:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:11,382 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:11,382 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:11,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2023-12-25 13:27:11,382 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:11,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:11,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1485086767, now seen corresponding path program 1 times [2023-12-25 13:27:11,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:11,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341688101] [2023-12-25 13:27:11,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:11,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:17,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:17,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341688101] [2023-12-25 13:27:17,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341688101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:17,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:17,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:17,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403108752] [2023-12-25 13:27:17,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:17,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:17,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:17,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:17,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:17,299 INFO L87 Difference]: Start difference. First operand 3676 states and 5970 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:17,557 INFO L93 Difference]: Finished difference Result 6433 states and 10413 transitions. [2023-12-25 13:27:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:17,561 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:17,561 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:17,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:17,564 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5125 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5125 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:17,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5125 Valid, 11342 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:17,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6233269598470363) internal successors, (5943), 3661 states have internal predecessors, (5943), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5969 transitions. [2023-12-25 13:27:17,613 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5969 transitions. Word has length 1175 [2023-12-25 13:27:17,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:17,613 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5969 transitions. [2023-12-25 13:27:17,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5969 transitions. [2023-12-25 13:27:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:17,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:17,623 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:17,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2023-12-25 13:27:17,623 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:17,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:17,623 INFO L85 PathProgramCache]: Analyzing trace with hash -387143631, now seen corresponding path program 1 times [2023-12-25 13:27:17,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:17,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314043947] [2023-12-25 13:27:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:23,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:23,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314043947] [2023-12-25 13:27:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314043947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:23,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:23,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:23,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435774453] [2023-12-25 13:27:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:23,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:23,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:23,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:23,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:23,826 INFO L87 Difference]: Start difference. First operand 3676 states and 5969 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:24,084 INFO L93 Difference]: Finished difference Result 6433 states and 10411 transitions. [2023-12-25 13:27:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:24,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:24,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:24,088 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:24,088 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:24,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:24,091 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 10230 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10230 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:24,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10230 Valid, 11332 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6230538104343075) internal successors, (5942), 3661 states have internal predecessors, (5942), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5968 transitions. [2023-12-25 13:27:24,141 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5968 transitions. Word has length 1175 [2023-12-25 13:27:24,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:24,141 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5968 transitions. [2023-12-25 13:27:24,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5968 transitions. [2023-12-25 13:27:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:24,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:24,151 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:24,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2023-12-25 13:27:24,151 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:24,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1926721391, now seen corresponding path program 1 times [2023-12-25 13:27:24,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:24,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56529204] [2023-12-25 13:27:24,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:29,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:29,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56529204] [2023-12-25 13:27:29,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56529204] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:29,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:29,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:29,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373194219] [2023-12-25 13:27:29,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:29,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:29,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:29,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:29,925 INFO L87 Difference]: Start difference. First operand 3676 states and 5968 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:30,268 INFO L93 Difference]: Finished difference Result 6433 states and 10409 transitions. [2023-12-25 13:27:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:30,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:30,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:30,272 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:30,272 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:30,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:30,274 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5123 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5123 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:30,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5123 Valid, 11342 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:30,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6227806610215787) internal successors, (5941), 3661 states have internal predecessors, (5941), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5967 transitions. [2023-12-25 13:27:30,321 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5967 transitions. Word has length 1175 [2023-12-25 13:27:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:30,322 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5967 transitions. [2023-12-25 13:27:30,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5967 transitions. [2023-12-25 13:27:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:30,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:30,331 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:30,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2023-12-25 13:27:30,331 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:30,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash 253131505, now seen corresponding path program 1 times [2023-12-25 13:27:30,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:30,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117809007] [2023-12-25 13:27:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:30,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:36,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:36,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117809007] [2023-12-25 13:27:36,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117809007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:36,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:36,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:36,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713440267] [2023-12-25 13:27:36,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:36,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:36,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:36,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:36,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:36,094 INFO L87 Difference]: Start difference. First operand 3676 states and 5967 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:36,429 INFO L93 Difference]: Finished difference Result 6433 states and 10407 transitions. [2023-12-25 13:27:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:36,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:36,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:36,432 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:36,432 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:36,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:36,435 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5122 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5122 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:36,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5122 Valid, 11342 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:36,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.62250751160885) internal successors, (5940), 3661 states have internal predecessors, (5940), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5966 transitions. [2023-12-25 13:27:36,480 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5966 transitions. Word has length 1175 [2023-12-25 13:27:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:36,480 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5966 transitions. [2023-12-25 13:27:36,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5966 transitions. [2023-12-25 13:27:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:36,489 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:36,490 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:36,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2023-12-25 13:27:36,490 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:36,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:36,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1699418449, now seen corresponding path program 1 times [2023-12-25 13:27:36,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:36,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796356113] [2023-12-25 13:27:36,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:36,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:43,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:43,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796356113] [2023-12-25 13:27:43,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796356113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:43,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:43,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:43,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308893481] [2023-12-25 13:27:43,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:43,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:43,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:43,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:43,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:43,157 INFO L87 Difference]: Start difference. First operand 3676 states and 5966 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:43,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:43,430 INFO L93 Difference]: Finished difference Result 6433 states and 10405 transitions. [2023-12-25 13:27:43,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:43,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:43,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:43,433 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:43,433 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:43,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:43,436 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5121 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5121 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:43,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5121 Valid, 11342 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:43,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:43,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6222343621961213) internal successors, (5939), 3661 states have internal predecessors, (5939), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5965 transitions. [2023-12-25 13:27:43,479 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5965 transitions. Word has length 1175 [2023-12-25 13:27:43,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:43,479 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5965 transitions. [2023-12-25 13:27:43,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:43,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5965 transitions. [2023-12-25 13:27:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:43,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:43,488 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:43,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2023-12-25 13:27:43,488 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:43,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:43,489 INFO L85 PathProgramCache]: Analyzing trace with hash -402963535, now seen corresponding path program 1 times [2023-12-25 13:27:43,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:43,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575943844] [2023-12-25 13:27:43,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:43,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:48,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:48,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575943844] [2023-12-25 13:27:48,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575943844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:48,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:48,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:48,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591736123] [2023-12-25 13:27:48,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:48,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:48,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:48,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:48,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:48,914 INFO L87 Difference]: Start difference. First operand 3676 states and 5965 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:49,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:49,182 INFO L93 Difference]: Finished difference Result 6433 states and 10403 transitions. [2023-12-25 13:27:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:49,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:49,186 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:49,186 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:49,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:49,188 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5120 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5120 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:49,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5120 Valid, 11342 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:49,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6219612127833924) internal successors, (5938), 3661 states have internal predecessors, (5938), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5964 transitions. [2023-12-25 13:27:49,231 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5964 transitions. Word has length 1175 [2023-12-25 13:27:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:49,232 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5964 transitions. [2023-12-25 13:27:49,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5964 transitions. [2023-12-25 13:27:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:49,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:49,241 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:49,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2023-12-25 13:27:49,241 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:49,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:49,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1500700143, now seen corresponding path program 1 times [2023-12-25 13:27:49,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:49,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812447348] [2023-12-25 13:27:49,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:49,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:27:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:27:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:27:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:27:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:27:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:27:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:27:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:27:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:27:54,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:27:54,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812447348] [2023-12-25 13:27:54,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812447348] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:27:54,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:27:54,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:27:54,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394983233] [2023-12-25 13:27:54,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:27:54,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:27:54,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:27:54,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:27:54,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:27:54,627 INFO L87 Difference]: Start difference. First operand 3676 states and 5964 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:27:54,885 INFO L93 Difference]: Finished difference Result 6433 states and 10401 transitions. [2023-12-25 13:27:54,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:27:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:27:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:27:54,889 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:27:54,889 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:27:54,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:27:54,892 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5119 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5119 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:27:54,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5119 Valid, 11342 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:27:54,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:27:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:27:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6216880633706638) internal successors, (5937), 3661 states have internal predecessors, (5937), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:27:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5963 transitions. [2023-12-25 13:27:54,937 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5963 transitions. Word has length 1175 [2023-12-25 13:27:54,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:27:54,937 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5963 transitions. [2023-12-25 13:27:54,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:27:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5963 transitions. [2023-12-25 13:27:54,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:27:54,946 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:27:54,946 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:27:54,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2023-12-25 13:27:54,947 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:27:54,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:27:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1532337265, now seen corresponding path program 1 times [2023-12-25 13:27:54,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:27:54,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451943005] [2023-12-25 13:27:54,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:27:54,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:27:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:00,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:00,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451943005] [2023-12-25 13:28:00,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451943005] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:00,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:00,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:00,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040861778] [2023-12-25 13:28:00,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:00,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:00,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:00,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:00,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:00,504 INFO L87 Difference]: Start difference. First operand 3676 states and 5963 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:00,783 INFO L93 Difference]: Finished difference Result 6433 states and 10399 transitions. [2023-12-25 13:28:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:00,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:00,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:00,787 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:00,787 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:00,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:00,789 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 5118 mSDsluCounter, 5677 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5118 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:00,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5118 Valid, 11342 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:28:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:00,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.621414913957935) internal successors, (5936), 3661 states have internal predecessors, (5936), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5962 transitions. [2023-12-25 13:28:00,837 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5962 transitions. Word has length 1175 [2023-12-25 13:28:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:00,837 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5962 transitions. [2023-12-25 13:28:00,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5962 transitions. [2023-12-25 13:28:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:00,846 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:00,846 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:00,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2023-12-25 13:28:00,847 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:00,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:00,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1138410193, now seen corresponding path program 1 times [2023-12-25 13:28:00,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:00,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793051569] [2023-12-25 13:28:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:00,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:06,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:06,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793051569] [2023-12-25 13:28:06,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793051569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:06,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:06,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:06,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922548840] [2023-12-25 13:28:06,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:06,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:06,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:06,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:06,782 INFO L87 Difference]: Start difference. First operand 3676 states and 5962 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:07,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:07,051 INFO L93 Difference]: Finished difference Result 6433 states and 10397 transitions. [2023-12-25 13:28:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:07,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:07,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:07,054 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:07,055 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:07,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:07,057 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 9963 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9963 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:07,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9963 Valid, 11332 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:28:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:07,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6211417645452062) internal successors, (5935), 3661 states have internal predecessors, (5935), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5961 transitions. [2023-12-25 13:28:07,106 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5961 transitions. Word has length 1175 [2023-12-25 13:28:07,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:07,106 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5961 transitions. [2023-12-25 13:28:07,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5961 transitions. [2023-12-25 13:28:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:07,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:07,116 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:07,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2023-12-25 13:28:07,116 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:07,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1802402511, now seen corresponding path program 1 times [2023-12-25 13:28:07,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:07,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340176182] [2023-12-25 13:28:07,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:07,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340176182] [2023-12-25 13:28:14,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340176182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:14,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:14,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:28:14,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392117114] [2023-12-25 13:28:14,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:14,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:28:14,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:14,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:28:14,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:28:14,031 INFO L87 Difference]: Start difference. First operand 3676 states and 5961 transitions. Second operand has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:14,439 INFO L93 Difference]: Finished difference Result 6433 states and 10395 transitions. [2023-12-25 13:28:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:14,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:14,443 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:14,443 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:14,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:14,444 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5093 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5093 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:14,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5093 Valid, 11080 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:28:14,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6208686151324774) internal successors, (5934), 3661 states have internal predecessors, (5934), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5960 transitions. [2023-12-25 13:28:14,488 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5960 transitions. Word has length 1175 [2023-12-25 13:28:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:14,488 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5960 transitions. [2023-12-25 13:28:14,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5960 transitions. [2023-12-25 13:28:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:14,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:14,497 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:14,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2023-12-25 13:28:14,497 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:14,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:14,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2063209199, now seen corresponding path program 1 times [2023-12-25 13:28:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:14,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765372582] [2023-12-25 13:28:14,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:14,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:20,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:20,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765372582] [2023-12-25 13:28:20,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765372582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:20,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:20,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:20,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213039358] [2023-12-25 13:28:20,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:20,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:20,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:20,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:20,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:20,594 INFO L87 Difference]: Start difference. First operand 3676 states and 5960 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:21,043 INFO L93 Difference]: Finished difference Result 6433 states and 10393 transitions. [2023-12-25 13:28:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:21,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:21,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:21,047 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:21,048 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:21,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:21,050 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5091 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5091 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:21,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5091 Valid, 11090 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:28:21,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6205954657197488) internal successors, (5933), 3661 states have internal predecessors, (5933), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5959 transitions. [2023-12-25 13:28:21,100 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5959 transitions. Word has length 1175 [2023-12-25 13:28:21,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:21,100 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5959 transitions. [2023-12-25 13:28:21,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5959 transitions. [2023-12-25 13:28:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:21,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:21,110 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:21,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2023-12-25 13:28:21,110 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:21,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:21,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1925411343, now seen corresponding path program 1 times [2023-12-25 13:28:21,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:21,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944319557] [2023-12-25 13:28:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:21,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:26,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:26,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944319557] [2023-12-25 13:28:26,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944319557] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:26,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:26,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:26,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110568226] [2023-12-25 13:28:26,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:26,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:26,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:26,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:26,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:26,644 INFO L87 Difference]: Start difference. First operand 3676 states and 5959 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:27,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:27,056 INFO L93 Difference]: Finished difference Result 6433 states and 10391 transitions. [2023-12-25 13:28:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:27,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:27,060 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:27,060 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:27,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:27,062 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5090 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5090 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:27,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5090 Valid, 11090 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:28:27,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:27,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.62032231630702) internal successors, (5932), 3661 states have internal predecessors, (5932), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5958 transitions. [2023-12-25 13:28:27,112 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5958 transitions. Word has length 1175 [2023-12-25 13:28:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:27,112 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5958 transitions. [2023-12-25 13:28:27,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5958 transitions. [2023-12-25 13:28:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:27,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:27,122 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:27,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2023-12-25 13:28:27,122 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:27,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:27,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1503248943, now seen corresponding path program 1 times [2023-12-25 13:28:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:27,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113303621] [2023-12-25 13:28:27,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:27,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:32,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:32,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113303621] [2023-12-25 13:28:32,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113303621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:32,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:32,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:32,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505158583] [2023-12-25 13:28:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:32,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:32,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:32,768 INFO L87 Difference]: Start difference. First operand 3676 states and 5958 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:33,231 INFO L93 Difference]: Finished difference Result 6433 states and 10389 transitions. [2023-12-25 13:28:33,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:33,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:33,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:33,236 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:33,236 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:33,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:33,238 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 10169 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10169 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:33,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10169 Valid, 11080 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:28:33,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:33,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6200491668942911) internal successors, (5931), 3661 states have internal predecessors, (5931), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5957 transitions. [2023-12-25 13:28:33,290 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5957 transitions. Word has length 1175 [2023-12-25 13:28:33,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:33,290 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5957 transitions. [2023-12-25 13:28:33,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5957 transitions. [2023-12-25 13:28:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:33,299 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:33,300 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:33,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2023-12-25 13:28:33,300 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:33,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash 34416305, now seen corresponding path program 1 times [2023-12-25 13:28:33,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:33,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186283859] [2023-12-25 13:28:33,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:39,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:39,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186283859] [2023-12-25 13:28:39,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186283859] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:39,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:39,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:39,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965969396] [2023-12-25 13:28:39,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:39,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:39,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:39,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:39,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:39,192 INFO L87 Difference]: Start difference. First operand 3676 states and 5957 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:39,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:39,595 INFO L93 Difference]: Finished difference Result 6433 states and 10387 transitions. [2023-12-25 13:28:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:39,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:39,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:39,599 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:39,599 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:39,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:39,601 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 10164 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10164 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:39,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10164 Valid, 11080 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:28:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:39,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6197760174815625) internal successors, (5930), 3661 states have internal predecessors, (5930), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5956 transitions. [2023-12-25 13:28:39,649 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5956 transitions. Word has length 1175 [2023-12-25 13:28:39,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:39,649 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5956 transitions. [2023-12-25 13:28:39,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5956 transitions. [2023-12-25 13:28:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:39,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:39,659 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:39,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2023-12-25 13:28:39,659 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:39,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash -662838929, now seen corresponding path program 1 times [2023-12-25 13:28:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:39,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466242709] [2023-12-25 13:28:39,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:39,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466242709] [2023-12-25 13:28:45,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466242709] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:45,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:45,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:45,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196550735] [2023-12-25 13:28:45,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:45,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:45,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:45,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:45,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:45,853 INFO L87 Difference]: Start difference. First operand 3676 states and 5956 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:46,301 INFO L93 Difference]: Finished difference Result 6433 states and 10385 transitions. [2023-12-25 13:28:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:46,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:46,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:46,305 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:46,305 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:46,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:46,307 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5087 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5087 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:46,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5087 Valid, 11090 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:28:46,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6195028680688337) internal successors, (5929), 3661 states have internal predecessors, (5929), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5955 transitions. [2023-12-25 13:28:46,353 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5955 transitions. Word has length 1175 [2023-12-25 13:28:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:46,354 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5955 transitions. [2023-12-25 13:28:46,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5955 transitions. [2023-12-25 13:28:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:46,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:46,363 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:46,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2023-12-25 13:28:46,363 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:46,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:46,364 INFO L85 PathProgramCache]: Analyzing trace with hash 577720177, now seen corresponding path program 1 times [2023-12-25 13:28:46,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:46,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731285584] [2023-12-25 13:28:46,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:46,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:52,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:52,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731285584] [2023-12-25 13:28:52,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731285584] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:52,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:52,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:52,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570476062] [2023-12-25 13:28:52,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:52,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:52,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:52,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:52,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:52,204 INFO L87 Difference]: Start difference. First operand 3676 states and 5955 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:52,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:52,651 INFO L93 Difference]: Finished difference Result 6433 states and 10383 transitions. [2023-12-25 13:28:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:52,655 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:52,655 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:52,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:52,657 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 10154 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10154 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:52,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10154 Valid, 11080 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:28:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6192297186561049) internal successors, (5928), 3661 states have internal predecessors, (5928), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5954 transitions. [2023-12-25 13:28:52,705 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5954 transitions. Word has length 1175 [2023-12-25 13:28:52,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:52,706 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5954 transitions. [2023-12-25 13:28:52,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5954 transitions. [2023-12-25 13:28:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:52,715 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:52,715 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:52,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2023-12-25 13:28:52,715 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:52,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash -541429585, now seen corresponding path program 1 times [2023-12-25 13:28:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770228633] [2023-12-25 13:28:52,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:52,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:28:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:28:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:28:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:28:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:28:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:28:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:28:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:28:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:28:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:28:58,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:28:58,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770228633] [2023-12-25 13:28:58,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770228633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:28:58,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:28:58,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:28:58,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627927451] [2023-12-25 13:28:58,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:28:58,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:28:58,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:28:58,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:28:58,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:28:58,408 INFO L87 Difference]: Start difference. First operand 3676 states and 5954 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:58,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:28:58,835 INFO L93 Difference]: Finished difference Result 6433 states and 10381 transitions. [2023-12-25 13:28:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:28:58,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:28:58,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:28:58,839 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:28:58,839 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:28:58,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:28:58,842 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5085 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5085 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:28:58,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5085 Valid, 11090 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:28:58,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:28:58,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:28:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.618956569243376) internal successors, (5927), 3661 states have internal predecessors, (5927), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:28:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5953 transitions. [2023-12-25 13:28:58,895 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5953 transitions. Word has length 1175 [2023-12-25 13:28:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:28:58,895 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5953 transitions. [2023-12-25 13:28:58,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:28:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5953 transitions. [2023-12-25 13:28:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:28:58,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:28:58,905 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:28:58,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2023-12-25 13:28:58,905 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:28:58,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:28:58,905 INFO L85 PathProgramCache]: Analyzing trace with hash 516884529, now seen corresponding path program 1 times [2023-12-25 13:28:58,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:28:58,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683718403] [2023-12-25 13:28:58,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:28:58,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:05,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:05,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683718403] [2023-12-25 13:29:05,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683718403] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:05,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:05,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:05,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098133466] [2023-12-25 13:29:05,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:05,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:05,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:05,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:05,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:05,126 INFO L87 Difference]: Start difference. First operand 3676 states and 5953 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:05,545 INFO L93 Difference]: Finished difference Result 6433 states and 10379 transitions. [2023-12-25 13:29:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:05,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:05,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:05,549 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:05,549 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:05,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:05,551 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5084 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5084 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:05,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5084 Valid, 11090 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6186834198306475) internal successors, (5926), 3661 states have internal predecessors, (5926), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5952 transitions. [2023-12-25 13:29:05,602 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5952 transitions. Word has length 1175 [2023-12-25 13:29:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:05,602 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5952 transitions. [2023-12-25 13:29:05,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5952 transitions. [2023-12-25 13:29:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:05,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:05,612 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:05,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2023-12-25 13:29:05,612 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:05,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:05,612 INFO L85 PathProgramCache]: Analyzing trace with hash -161255441, now seen corresponding path program 1 times [2023-12-25 13:29:05,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:05,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954578622] [2023-12-25 13:29:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:05,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:11,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954578622] [2023-12-25 13:29:11,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954578622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:11,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:11,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:11,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120752116] [2023-12-25 13:29:11,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:11,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:11,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:11,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:11,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:11,302 INFO L87 Difference]: Start difference. First operand 3676 states and 5952 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:11,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:11,688 INFO L93 Difference]: Finished difference Result 6433 states and 10377 transitions. [2023-12-25 13:29:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:11,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:11,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:11,692 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:11,692 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:11,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:11,694 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5083 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5083 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:11,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5083 Valid, 11090 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:11,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6184102704179186) internal successors, (5925), 3661 states have internal predecessors, (5925), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5951 transitions. [2023-12-25 13:29:11,740 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5951 transitions. Word has length 1175 [2023-12-25 13:29:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:11,741 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5951 transitions. [2023-12-25 13:29:11,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5951 transitions. [2023-12-25 13:29:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:11,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:11,750 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:11,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2023-12-25 13:29:11,750 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:11,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash -392670991, now seen corresponding path program 1 times [2023-12-25 13:29:11,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525614908] [2023-12-25 13:29:11,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:11,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:17,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525614908] [2023-12-25 13:29:17,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525614908] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:17,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:17,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:17,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373197489] [2023-12-25 13:29:17,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:17,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:17,663 INFO L87 Difference]: Start difference. First operand 3676 states and 5951 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:18,077 INFO L93 Difference]: Finished difference Result 6433 states and 10375 transitions. [2023-12-25 13:29:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:18,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:18,081 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:18,081 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:18,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:18,083 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 10134 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10134 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:18,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10134 Valid, 11080 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:18,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6181371210051898) internal successors, (5924), 3661 states have internal predecessors, (5924), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5950 transitions. [2023-12-25 13:29:18,134 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5950 transitions. Word has length 1175 [2023-12-25 13:29:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:18,134 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5950 transitions. [2023-12-25 13:29:18,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5950 transitions. [2023-12-25 13:29:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:18,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:18,143 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:18,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2023-12-25 13:29:18,144 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:18,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:18,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2104697041, now seen corresponding path program 1 times [2023-12-25 13:29:18,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:18,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049389736] [2023-12-25 13:29:18,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:24,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:24,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049389736] [2023-12-25 13:29:24,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049389736] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:24,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:24,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:24,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961854603] [2023-12-25 13:29:24,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:24,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:24,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:24,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:24,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:24,044 INFO L87 Difference]: Start difference. First operand 3676 states and 5950 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:24,442 INFO L93 Difference]: Finished difference Result 6433 states and 10373 transitions. [2023-12-25 13:29:24,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:24,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:24,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:24,446 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:24,446 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:24,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:24,448 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 10129 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10129 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:24,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10129 Valid, 11080 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.617863971592461) internal successors, (5923), 3661 states have internal predecessors, (5923), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5949 transitions. [2023-12-25 13:29:24,499 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5949 transitions. Word has length 1175 [2023-12-25 13:29:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:24,500 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5949 transitions. [2023-12-25 13:29:24,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5949 transitions. [2023-12-25 13:29:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:24,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:24,510 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:24,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2023-12-25 13:29:24,510 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:24,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:24,510 INFO L85 PathProgramCache]: Analyzing trace with hash -231265871, now seen corresponding path program 1 times [2023-12-25 13:29:24,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:24,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650874607] [2023-12-25 13:29:24,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:24,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:30,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:30,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650874607] [2023-12-25 13:29:30,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650874607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:30,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:30,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786761375] [2023-12-25 13:29:30,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:30,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:30,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:30,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:30,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:30,498 INFO L87 Difference]: Start difference. First operand 3676 states and 5949 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:30,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:30,886 INFO L93 Difference]: Finished difference Result 6433 states and 10371 transitions. [2023-12-25 13:29:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:30,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:30,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:30,890 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:30,890 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:30,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:30,892 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5080 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:30,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5080 Valid, 11090 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:30,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:30,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6175908221797324) internal successors, (5922), 3661 states have internal predecessors, (5922), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:30,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5948 transitions. [2023-12-25 13:29:30,941 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5948 transitions. Word has length 1175 [2023-12-25 13:29:30,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:30,942 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5948 transitions. [2023-12-25 13:29:30,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5948 transitions. [2023-12-25 13:29:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:30,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:30,952 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:30,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2023-12-25 13:29:30,952 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:30,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash 155893359, now seen corresponding path program 1 times [2023-12-25 13:29:30,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:30,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373558897] [2023-12-25 13:29:30,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:30,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:36,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373558897] [2023-12-25 13:29:36,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373558897] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:36,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:36,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:36,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60786046] [2023-12-25 13:29:36,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:36,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:36,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:36,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:36,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:36,810 INFO L87 Difference]: Start difference. First operand 3676 states and 5948 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:37,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:37,218 INFO L93 Difference]: Finished difference Result 6433 states and 10369 transitions. [2023-12-25 13:29:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:37,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:37,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:37,222 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:37,223 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:37,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:37,225 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5079 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:37,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5079 Valid, 11090 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:37,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:37,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6173176727670036) internal successors, (5921), 3661 states have internal predecessors, (5921), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5947 transitions. [2023-12-25 13:29:37,283 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5947 transitions. Word has length 1175 [2023-12-25 13:29:37,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:37,283 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5947 transitions. [2023-12-25 13:29:37,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5947 transitions. [2023-12-25 13:29:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:37,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:37,293 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:37,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2023-12-25 13:29:37,294 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:37,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:37,294 INFO L85 PathProgramCache]: Analyzing trace with hash -283667855, now seen corresponding path program 1 times [2023-12-25 13:29:37,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:37,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442876541] [2023-12-25 13:29:37,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:37,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:43,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:43,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442876541] [2023-12-25 13:29:43,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442876541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:43,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:43,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:43,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859228172] [2023-12-25 13:29:43,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:43,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:43,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:43,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:43,226 INFO L87 Difference]: Start difference. First operand 3676 states and 5947 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:43,649 INFO L93 Difference]: Finished difference Result 6433 states and 10367 transitions. [2023-12-25 13:29:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:43,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:43,653 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:43,653 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:43,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:43,655 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5078 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5078 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:43,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5078 Valid, 11090 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:43,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:43,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6170445233542747) internal successors, (5920), 3661 states have internal predecessors, (5920), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5946 transitions. [2023-12-25 13:29:43,704 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5946 transitions. Word has length 1175 [2023-12-25 13:29:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:43,705 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5946 transitions. [2023-12-25 13:29:43,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5946 transitions. [2023-12-25 13:29:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:43,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:43,714 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:43,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2023-12-25 13:29:43,714 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:43,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:43,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1857097135, now seen corresponding path program 1 times [2023-12-25 13:29:43,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:43,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619288836] [2023-12-25 13:29:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:43,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:49,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:49,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619288836] [2023-12-25 13:29:49,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619288836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:49,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:49,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:49,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837242955] [2023-12-25 13:29:49,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:49,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:49,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:49,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:49,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:49,544 INFO L87 Difference]: Start difference. First operand 3676 states and 5946 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:49,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:49,978 INFO L93 Difference]: Finished difference Result 6433 states and 10365 transitions. [2023-12-25 13:29:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:49,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:49,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:49,981 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:49,981 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:49,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:49,983 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 9901 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9901 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:49,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9901 Valid, 11080 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:29:49,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6167713739415461) internal successors, (5919), 3661 states have internal predecessors, (5919), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5945 transitions. [2023-12-25 13:29:50,040 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5945 transitions. Word has length 1175 [2023-12-25 13:29:50,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:50,040 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5945 transitions. [2023-12-25 13:29:50,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5945 transitions. [2023-12-25 13:29:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:50,049 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:50,050 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:50,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2023-12-25 13:29:50,050 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:50,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:50,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1310927, now seen corresponding path program 1 times [2023-12-25 13:29:50,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:50,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429025030] [2023-12-25 13:29:50,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:50,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:29:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:29:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:29:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:29:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:29:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:29:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:29:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:29:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:29:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:29:55,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:29:55,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429025030] [2023-12-25 13:29:55,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429025030] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:29:55,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:29:55,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:29:55,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693466482] [2023-12-25 13:29:55,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:29:55,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:29:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:29:55,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:29:55,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:29:55,908 INFO L87 Difference]: Start difference. First operand 3676 states and 5945 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:56,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:29:56,361 INFO L93 Difference]: Finished difference Result 6433 states and 10363 transitions. [2023-12-25 13:29:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:29:56,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:29:56,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:29:56,365 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:29:56,366 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:29:56,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:29:56,368 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5076 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:29:56,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5076 Valid, 11090 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:29:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:29:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:29:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6164982245288173) internal successors, (5918), 3661 states have internal predecessors, (5918), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:29:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5944 transitions. [2023-12-25 13:29:56,424 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5944 transitions. Word has length 1175 [2023-12-25 13:29:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:29:56,425 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5944 transitions. [2023-12-25 13:29:56,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:29:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5944 transitions. [2023-12-25 13:29:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:29:56,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:29:56,434 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:29:56,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2023-12-25 13:29:56,434 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:29:56,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:29:56,435 INFO L85 PathProgramCache]: Analyzing trace with hash -58176273, now seen corresponding path program 1 times [2023-12-25 13:29:56,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:29:56,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586295064] [2023-12-25 13:29:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:29:56,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:02,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:02,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586295064] [2023-12-25 13:30:02,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586295064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:02,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:02,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:02,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467076654] [2023-12-25 13:30:02,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:02,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:02,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:02,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:02,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:02,284 INFO L87 Difference]: Start difference. First operand 3676 states and 5944 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:02,690 INFO L93 Difference]: Finished difference Result 6433 states and 10361 transitions. [2023-12-25 13:30:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:02,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:02,694 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:02,694 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:02,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:02,696 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5075 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5075 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:02,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5075 Valid, 11090 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:02,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6162250751160885) internal successors, (5917), 3661 states have internal predecessors, (5917), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5943 transitions. [2023-12-25 13:30:02,746 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5943 transitions. Word has length 1175 [2023-12-25 13:30:02,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:02,746 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5943 transitions. [2023-12-25 13:30:02,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5943 transitions. [2023-12-25 13:30:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:02,755 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:02,756 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:02,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2023-12-25 13:30:02,756 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:02,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:02,756 INFO L85 PathProgramCache]: Analyzing trace with hash 187631601, now seen corresponding path program 1 times [2023-12-25 13:30:02,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:02,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549295507] [2023-12-25 13:30:02,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:02,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:08,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:08,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549295507] [2023-12-25 13:30:08,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549295507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:08,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:08,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328662256] [2023-12-25 13:30:08,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:08,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:08,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:08,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:08,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:08,733 INFO L87 Difference]: Start difference. First operand 3676 states and 5943 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:09,149 INFO L93 Difference]: Finished difference Result 6433 states and 10359 transitions. [2023-12-25 13:30:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:09,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:09,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:09,152 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:09,153 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:09,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:09,155 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 9886 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9886 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:09,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9886 Valid, 11080 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:09,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:09,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6159519257033597) internal successors, (5916), 3661 states have internal predecessors, (5916), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5942 transitions. [2023-12-25 13:30:09,204 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5942 transitions. Word has length 1175 [2023-12-25 13:30:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:09,205 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5942 transitions. [2023-12-25 13:30:09,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5942 transitions. [2023-12-25 13:30:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:09,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:09,214 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:09,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2023-12-25 13:30:09,214 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:09,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:09,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1886389201, now seen corresponding path program 1 times [2023-12-25 13:30:09,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:09,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071550425] [2023-12-25 13:30:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:14,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:14,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071550425] [2023-12-25 13:30:14,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071550425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:14,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:14,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:14,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023300870] [2023-12-25 13:30:14,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:14,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:14,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:14,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:14,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:14,880 INFO L87 Difference]: Start difference. First operand 3676 states and 5942 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:15,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:15,294 INFO L93 Difference]: Finished difference Result 6433 states and 10357 transitions. [2023-12-25 13:30:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:15,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:15,299 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:15,299 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:15,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:15,302 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5073 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5073 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:15,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5073 Valid, 11090 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:15,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:15,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.615678776290631) internal successors, (5915), 3661 states have internal predecessors, (5915), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5941 transitions. [2023-12-25 13:30:15,360 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5941 transitions. Word has length 1175 [2023-12-25 13:30:15,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:15,361 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5941 transitions. [2023-12-25 13:30:15,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5941 transitions. [2023-12-25 13:30:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:15,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:15,371 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:15,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2023-12-25 13:30:15,371 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:15,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:15,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1687658673, now seen corresponding path program 1 times [2023-12-25 13:30:15,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:15,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50730261] [2023-12-25 13:30:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:15,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:20,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:20,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50730261] [2023-12-25 13:30:20,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50730261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:20,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:20,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:20,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929948741] [2023-12-25 13:30:20,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:20,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:20,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:20,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:20,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:20,954 INFO L87 Difference]: Start difference. First operand 3676 states and 5941 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:21,354 INFO L93 Difference]: Finished difference Result 6433 states and 10355 transitions. [2023-12-25 13:30:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:21,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:21,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:21,358 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:21,358 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:21,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:21,360 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 9876 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9876 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:21,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9876 Valid, 11080 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:21,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6154056268779022) internal successors, (5914), 3661 states have internal predecessors, (5914), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5940 transitions. [2023-12-25 13:30:21,410 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5940 transitions. Word has length 1175 [2023-12-25 13:30:21,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:21,410 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5940 transitions. [2023-12-25 13:30:21,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5940 transitions. [2023-12-25 13:30:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:21,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:21,419 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:21,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2023-12-25 13:30:21,420 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:21,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:21,420 INFO L85 PathProgramCache]: Analyzing trace with hash 819731311, now seen corresponding path program 1 times [2023-12-25 13:30:21,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:21,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250594737] [2023-12-25 13:30:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:26,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250594737] [2023-12-25 13:30:26,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250594737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:26,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:26,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:26,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187244009] [2023-12-25 13:30:26,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:26,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:26,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:26,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:26,965 INFO L87 Difference]: Start difference. First operand 3676 states and 5940 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:27,415 INFO L93 Difference]: Finished difference Result 6433 states and 10353 transitions. [2023-12-25 13:30:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:27,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:27,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:27,420 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:27,420 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:27,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:27,422 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5071 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5071 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:27,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5071 Valid, 11090 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 13:30:27,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6151324774651734) internal successors, (5913), 3661 states have internal predecessors, (5913), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5939 transitions. [2023-12-25 13:30:27,484 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5939 transitions. Word has length 1175 [2023-12-25 13:30:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:27,485 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5939 transitions. [2023-12-25 13:30:27,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5939 transitions. [2023-12-25 13:30:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:27,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:27,494 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:27,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2023-12-25 13:30:27,494 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:27,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:27,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1148073615, now seen corresponding path program 1 times [2023-12-25 13:30:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:27,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622662004] [2023-12-25 13:30:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:33,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:33,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622662004] [2023-12-25 13:30:33,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622662004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:33,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:33,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:33,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247827969] [2023-12-25 13:30:33,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:33,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:33,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:33,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:33,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:33,235 INFO L87 Difference]: Start difference. First operand 3676 states and 5939 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:33,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:33,628 INFO L93 Difference]: Finished difference Result 6433 states and 10351 transitions. [2023-12-25 13:30:33,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:33,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:33,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:33,632 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:33,632 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:33,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:33,634 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 9866 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9866 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:33,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9866 Valid, 11080 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:33,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:33,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6148593280524446) internal successors, (5912), 3661 states have internal predecessors, (5912), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5938 transitions. [2023-12-25 13:30:33,693 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5938 transitions. Word has length 1175 [2023-12-25 13:30:33,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:33,694 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5938 transitions. [2023-12-25 13:30:33,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5938 transitions. [2023-12-25 13:30:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:33,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:33,703 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:33,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2023-12-25 13:30:33,704 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:33,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1216391855, now seen corresponding path program 1 times [2023-12-25 13:30:33,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:33,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956550341] [2023-12-25 13:30:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:33,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:39,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:39,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956550341] [2023-12-25 13:30:39,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956550341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:39,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:39,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:39,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683411496] [2023-12-25 13:30:39,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:39,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:39,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:39,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:39,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:39,391 INFO L87 Difference]: Start difference. First operand 3676 states and 5938 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:39,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:39,788 INFO L93 Difference]: Finished difference Result 6433 states and 10349 transitions. [2023-12-25 13:30:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:39,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:39,792 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:39,792 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:39,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:39,794 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5069 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5069 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:39,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5069 Valid, 11090 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:39,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.614586178639716) internal successors, (5911), 3661 states have internal predecessors, (5911), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5937 transitions. [2023-12-25 13:30:39,843 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5937 transitions. Word has length 1175 [2023-12-25 13:30:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:39,844 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5937 transitions. [2023-12-25 13:30:39,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5937 transitions. [2023-12-25 13:30:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:39,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:39,853 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:39,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2023-12-25 13:30:39,853 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:39,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1064730063, now seen corresponding path program 1 times [2023-12-25 13:30:39,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:39,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136730009] [2023-12-25 13:30:39,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:39,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:45,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:45,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136730009] [2023-12-25 13:30:45,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136730009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:45,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:45,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:45,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664365447] [2023-12-25 13:30:45,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:45,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:45,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:45,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:45,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:45,374 INFO L87 Difference]: Start difference. First operand 3676 states and 5937 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:45,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:45,803 INFO L93 Difference]: Finished difference Result 6433 states and 10347 transitions. [2023-12-25 13:30:45,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:45,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:45,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:45,807 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:45,807 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:45,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:45,810 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5068 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5068 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:45,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5068 Valid, 11090 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:45,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:45,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6143130292269872) internal successors, (5910), 3661 states have internal predecessors, (5910), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5936 transitions. [2023-12-25 13:30:45,889 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5936 transitions. Word has length 1175 [2023-12-25 13:30:45,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:45,889 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5936 transitions. [2023-12-25 13:30:45,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5936 transitions. [2023-12-25 13:30:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:45,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:45,898 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:45,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2023-12-25 13:30:45,898 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:45,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:45,899 INFO L85 PathProgramCache]: Analyzing trace with hash -577656337, now seen corresponding path program 1 times [2023-12-25 13:30:45,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:45,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975738282] [2023-12-25 13:30:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:45,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:51,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:51,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975738282] [2023-12-25 13:30:51,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975738282] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:51,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:51,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:51,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136324041] [2023-12-25 13:30:51,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:51,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:51,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:51,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:51,554 INFO L87 Difference]: Start difference. First operand 3676 states and 5936 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:51,937 INFO L93 Difference]: Finished difference Result 6433 states and 10345 transitions. [2023-12-25 13:30:51,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:51,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:51,941 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:51,941 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:51,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:51,943 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5067 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5067 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:51,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5067 Valid, 11090 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6140398798142583) internal successors, (5909), 3661 states have internal predecessors, (5909), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5935 transitions. [2023-12-25 13:30:51,996 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5935 transitions. Word has length 1175 [2023-12-25 13:30:51,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:51,996 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5935 transitions. [2023-12-25 13:30:51,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5935 transitions. [2023-12-25 13:30:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:52,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:52,006 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:52,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2023-12-25 13:30:52,006 INFO L420 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:52,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash -454374671, now seen corresponding path program 1 times [2023-12-25 13:30:52,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:52,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103603526] [2023-12-25 13:30:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:30:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:30:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:30:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:30:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:30:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:30:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:30:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:30:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:30:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:30:57,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:30:57,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103603526] [2023-12-25 13:30:57,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103603526] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:30:57,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:30:57,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:30:57,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569186184] [2023-12-25 13:30:57,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:30:57,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:30:57,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:30:57,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:30:57,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:30:57,801 INFO L87 Difference]: Start difference. First operand 3676 states and 5935 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:30:58,235 INFO L93 Difference]: Finished difference Result 6433 states and 10343 transitions. [2023-12-25 13:30:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:30:58,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:30:58,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:30:58,239 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:30:58,239 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:30:58,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:30:58,241 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5066 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5066 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:30:58,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5066 Valid, 11090 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:30:58,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:30:58,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:30:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6137667304015297) internal successors, (5908), 3661 states have internal predecessors, (5908), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:30:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5934 transitions. [2023-12-25 13:30:58,308 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5934 transitions. Word has length 1175 [2023-12-25 13:30:58,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:30:58,308 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5934 transitions. [2023-12-25 13:30:58,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:30:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5934 transitions. [2023-12-25 13:30:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:30:58,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:30:58,318 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:30:58,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2023-12-25 13:30:58,318 INFO L420 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:30:58,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:30:58,318 INFO L85 PathProgramCache]: Analyzing trace with hash -702342865, now seen corresponding path program 1 times [2023-12-25 13:30:58,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:30:58,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892791013] [2023-12-25 13:30:58,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:30:58,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:04,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:04,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892791013] [2023-12-25 13:31:04,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892791013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:04,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:04,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39926147] [2023-12-25 13:31:04,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:04,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:04,098 INFO L87 Difference]: Start difference. First operand 3676 states and 5934 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:04,476 INFO L93 Difference]: Finished difference Result 6433 states and 10341 transitions. [2023-12-25 13:31:04,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:04,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:04,481 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:04,481 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:04,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:04,483 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 9841 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9841 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:04,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9841 Valid, 11080 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:31:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:04,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.613493580988801) internal successors, (5907), 3661 states have internal predecessors, (5907), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5933 transitions. [2023-12-25 13:31:04,544 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5933 transitions. Word has length 1175 [2023-12-25 13:31:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:04,544 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5933 transitions. [2023-12-25 13:31:04,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5933 transitions. [2023-12-25 13:31:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:04,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:04,554 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:04,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2023-12-25 13:31:04,554 INFO L420 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:04,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:04,554 INFO L85 PathProgramCache]: Analyzing trace with hash 455189425, now seen corresponding path program 1 times [2023-12-25 13:31:04,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:04,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389023182] [2023-12-25 13:31:04,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:04,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:10,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:10,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389023182] [2023-12-25 13:31:10,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389023182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:10,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:10,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:10,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841322380] [2023-12-25 13:31:10,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:10,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:10,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:10,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:10,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:10,188 INFO L87 Difference]: Start difference. First operand 3676 states and 5933 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:10,614 INFO L93 Difference]: Finished difference Result 6433 states and 10339 transitions. [2023-12-25 13:31:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:10,619 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:10,619 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:10,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:10,621 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5064 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5064 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:10,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5064 Valid, 11090 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:31:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.613220431576072) internal successors, (5906), 3661 states have internal predecessors, (5906), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5932 transitions. [2023-12-25 13:31:10,674 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5932 transitions. Word has length 1175 [2023-12-25 13:31:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:10,675 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5932 transitions. [2023-12-25 13:31:10,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5932 transitions. [2023-12-25 13:31:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:10,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:10,684 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:10,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2023-12-25 13:31:10,684 INFO L420 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:10,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:10,685 INFO L85 PathProgramCache]: Analyzing trace with hash 927529071, now seen corresponding path program 1 times [2023-12-25 13:31:10,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:10,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201917251] [2023-12-25 13:31:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:16,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:16,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201917251] [2023-12-25 13:31:16,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201917251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:16,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:16,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:16,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648718213] [2023-12-25 13:31:16,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:16,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:16,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:16,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:16,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:16,752 INFO L87 Difference]: Start difference. First operand 3676 states and 5932 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:17,124 INFO L93 Difference]: Finished difference Result 6433 states and 10337 transitions. [2023-12-25 13:31:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:17,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:17,128 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:17,128 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:17,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:17,132 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 5063 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:17,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5063 Valid, 11090 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:31:17,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:17,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6129472821633433) internal successors, (5905), 3661 states have internal predecessors, (5905), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5931 transitions. [2023-12-25 13:31:17,182 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5931 transitions. Word has length 1175 [2023-12-25 13:31:17,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:17,182 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5931 transitions. [2023-12-25 13:31:17,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5931 transitions. [2023-12-25 13:31:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:17,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:17,192 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:17,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2023-12-25 13:31:17,192 INFO L420 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:17,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:17,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1768289167, now seen corresponding path program 1 times [2023-12-25 13:31:17,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:17,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035700846] [2023-12-25 13:31:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:23,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:23,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035700846] [2023-12-25 13:31:23,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035700846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:23,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:23,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:31:23,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892237177] [2023-12-25 13:31:23,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:23,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:31:23,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:31:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:31:23,705 INFO L87 Difference]: Start difference. First operand 3676 states and 5931 transitions. Second operand has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:24,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:24,309 INFO L93 Difference]: Finished difference Result 6433 states and 10335 transitions. [2023-12-25 13:31:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:24,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:24,313 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:24,313 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:24,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:24,315 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5015 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5015 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:24,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5015 Valid, 10574 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:31:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6126741327506147) internal successors, (5904), 3661 states have internal predecessors, (5904), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5930 transitions. [2023-12-25 13:31:24,367 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5930 transitions. Word has length 1175 [2023-12-25 13:31:24,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:24,368 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5930 transitions. [2023-12-25 13:31:24,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 285.75) internal successors, (1143), 4 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5930 transitions. [2023-12-25 13:31:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:24,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:24,377 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:24,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2023-12-25 13:31:24,377 INFO L420 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:24,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:24,377 INFO L85 PathProgramCache]: Analyzing trace with hash 952651311, now seen corresponding path program 1 times [2023-12-25 13:31:24,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:24,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922598572] [2023-12-25 13:31:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:24,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:30,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:30,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922598572] [2023-12-25 13:31:30,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922598572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:30,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:30,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:30,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568370204] [2023-12-25 13:31:30,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:30,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:30,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:30,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:30,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:30,223 INFO L87 Difference]: Start difference. First operand 3676 states and 5930 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:30,910 INFO L93 Difference]: Finished difference Result 6433 states and 10333 transitions. [2023-12-25 13:31:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:30,914 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:30,914 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:30,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:30,916 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 10023 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10023 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:30,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10023 Valid, 10574 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:31:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:30,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6124009833378858) internal successors, (5903), 3661 states have internal predecessors, (5903), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5929 transitions. [2023-12-25 13:31:30,974 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5929 transitions. Word has length 1175 [2023-12-25 13:31:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:30,974 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5929 transitions. [2023-12-25 13:31:30,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5929 transitions. [2023-12-25 13:31:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:30,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:30,984 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:30,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2023-12-25 13:31:30,984 INFO L420 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:30,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1480693041, now seen corresponding path program 1 times [2023-12-25 13:31:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:30,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367331759] [2023-12-25 13:31:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:36,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:36,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367331759] [2023-12-25 13:31:36,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367331759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:36,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:36,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:36,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745059723] [2023-12-25 13:31:36,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:36,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:36,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:36,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:36,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:36,606 INFO L87 Difference]: Start difference. First operand 3676 states and 5929 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:37,354 INFO L93 Difference]: Finished difference Result 6433 states and 10331 transitions. [2023-12-25 13:31:37,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:37,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:37,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:37,358 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:37,358 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:37,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:37,361 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 10018 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10018 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:37,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10018 Valid, 10574 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:31:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:37,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.612127833925157) internal successors, (5902), 3661 states have internal predecessors, (5902), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5928 transitions. [2023-12-25 13:31:37,413 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5928 transitions. Word has length 1175 [2023-12-25 13:31:37,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:37,413 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5928 transitions. [2023-12-25 13:31:37,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5928 transitions. [2023-12-25 13:31:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:37,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:37,423 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:37,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2023-12-25 13:31:37,423 INFO L420 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:37,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1011122833, now seen corresponding path program 1 times [2023-12-25 13:31:37,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:37,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846109255] [2023-12-25 13:31:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:42,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:42,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846109255] [2023-12-25 13:31:42,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846109255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:42,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:42,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:42,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164961579] [2023-12-25 13:31:42,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:42,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:42,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:42,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:42,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:42,856 INFO L87 Difference]: Start difference. First operand 3676 states and 5928 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:43,554 INFO L93 Difference]: Finished difference Result 6433 states and 10329 transitions. [2023-12-25 13:31:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:43,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:43,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:43,558 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:43,558 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:43,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:43,560 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5011 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5011 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:43,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5011 Valid, 10584 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:31:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6118546845124282) internal successors, (5901), 3661 states have internal predecessors, (5901), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5927 transitions. [2023-12-25 13:31:43,615 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5927 transitions. Word has length 1175 [2023-12-25 13:31:43,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:43,615 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5927 transitions. [2023-12-25 13:31:43,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5927 transitions. [2023-12-25 13:31:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:43,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:43,624 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:43,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2023-12-25 13:31:43,625 INFO L420 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:43,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:43,625 INFO L85 PathProgramCache]: Analyzing trace with hash 762228209, now seen corresponding path program 1 times [2023-12-25 13:31:43,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:43,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803785113] [2023-12-25 13:31:43,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:43,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:49,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:49,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803785113] [2023-12-25 13:31:49,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803785113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:49,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:49,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:49,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855007645] [2023-12-25 13:31:49,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:49,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:49,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:49,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:49,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:49,332 INFO L87 Difference]: Start difference. First operand 3676 states and 5927 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:50,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:50,082 INFO L93 Difference]: Finished difference Result 6433 states and 10327 transitions. [2023-12-25 13:31:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:50,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:50,087 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:50,087 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:50,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:50,089 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5010 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5010 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:50,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5010 Valid, 10584 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:31:50,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:50,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6115815350996996) internal successors, (5900), 3661 states have internal predecessors, (5900), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5926 transitions. [2023-12-25 13:31:50,144 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5926 transitions. Word has length 1175 [2023-12-25 13:31:50,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:50,144 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5926 transitions. [2023-12-25 13:31:50,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5926 transitions. [2023-12-25 13:31:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:50,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:50,154 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2023-12-25 13:31:50,154 INFO L420 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:50,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:50,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1819075409, now seen corresponding path program 1 times [2023-12-25 13:31:50,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:50,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095003] [2023-12-25 13:31:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:50,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:31:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:31:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:31:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:31:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:31:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:31:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:31:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:31:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:31:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:31:55,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:31:55,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095003] [2023-12-25 13:31:55,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095003] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:31:55,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:31:55,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:31:55,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844775118] [2023-12-25 13:31:55,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:31:55,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:31:55,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:31:55,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:31:55,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:31:55,862 INFO L87 Difference]: Start difference. First operand 3676 states and 5926 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:56,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:31:56,615 INFO L93 Difference]: Finished difference Result 6433 states and 10325 transitions. [2023-12-25 13:31:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:31:56,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:31:56,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:31:56,619 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:31:56,619 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:31:56,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:31:56,621 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5009 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:31:56,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5009 Valid, 10584 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:31:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:31:56,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:31:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6113083856869708) internal successors, (5899), 3661 states have internal predecessors, (5899), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:31:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5925 transitions. [2023-12-25 13:31:56,670 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5925 transitions. Word has length 1175 [2023-12-25 13:31:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:31:56,670 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5925 transitions. [2023-12-25 13:31:56,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:31:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5925 transitions. [2023-12-25 13:31:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:31:56,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:31:56,679 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:31:56,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2023-12-25 13:31:56,679 INFO L420 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:31:56,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:31:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1301108401, now seen corresponding path program 1 times [2023-12-25 13:31:56,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:31:56,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914551009] [2023-12-25 13:31:56,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:31:56,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:02,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914551009] [2023-12-25 13:32:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914551009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:02,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:02,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825778381] [2023-12-25 13:32:02,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:02,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:02,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:02,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:02,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:02,044 INFO L87 Difference]: Start difference. First operand 3676 states and 5925 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:02,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:02,832 INFO L93 Difference]: Finished difference Result 6433 states and 10323 transitions. [2023-12-25 13:32:02,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:02,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:02,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:02,836 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:02,836 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:02,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:02,838 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 9998 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9998 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:02,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9998 Valid, 10574 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:32:02,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:02,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.611035236274242) internal successors, (5898), 3661 states have internal predecessors, (5898), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5924 transitions. [2023-12-25 13:32:02,892 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5924 transitions. Word has length 1175 [2023-12-25 13:32:02,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:02,893 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5924 transitions. [2023-12-25 13:32:02,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5924 transitions. [2023-12-25 13:32:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:02,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:02,902 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:02,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2023-12-25 13:32:02,902 INFO L420 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:02,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:02,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2006766609, now seen corresponding path program 1 times [2023-12-25 13:32:02,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:02,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208186290] [2023-12-25 13:32:02,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:02,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:08,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208186290] [2023-12-25 13:32:08,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208186290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:08,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:08,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:08,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532690216] [2023-12-25 13:32:08,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:08,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:08,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:08,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:08,400 INFO L87 Difference]: Start difference. First operand 3676 states and 5924 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:09,120 INFO L93 Difference]: Finished difference Result 6433 states and 10321 transitions. [2023-12-25 13:32:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:09,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:09,124 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:09,124 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:09,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:09,126 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5007 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5007 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:09,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5007 Valid, 10584 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:32:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:09,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6107620868615133) internal successors, (5897), 3661 states have internal predecessors, (5897), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5923 transitions. [2023-12-25 13:32:09,180 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5923 transitions. Word has length 1175 [2023-12-25 13:32:09,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:09,180 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5923 transitions. [2023-12-25 13:32:09,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5923 transitions. [2023-12-25 13:32:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:09,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:09,190 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:09,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2023-12-25 13:32:09,190 INFO L420 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:09,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:09,190 INFO L85 PathProgramCache]: Analyzing trace with hash -251031695, now seen corresponding path program 1 times [2023-12-25 13:32:09,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:09,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781458204] [2023-12-25 13:32:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:09,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:14,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:14,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781458204] [2023-12-25 13:32:14,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781458204] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:14,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:14,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:14,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696693094] [2023-12-25 13:32:14,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:14,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:14,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:14,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:14,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:14,908 INFO L87 Difference]: Start difference. First operand 3676 states and 5923 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:15,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:15,673 INFO L93 Difference]: Finished difference Result 6433 states and 10319 transitions. [2023-12-25 13:32:15,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:15,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:15,676 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:15,676 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:15,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:15,678 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5006 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:15,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5006 Valid, 10584 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:32:15,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6104889374487845) internal successors, (5896), 3661 states have internal predecessors, (5896), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5922 transitions. [2023-12-25 13:32:15,731 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5922 transitions. Word has length 1175 [2023-12-25 13:32:15,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:15,731 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5922 transitions. [2023-12-25 13:32:15,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5922 transitions. [2023-12-25 13:32:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:15,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:15,741 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:15,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2023-12-25 13:32:15,741 INFO L420 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:15,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:15,741 INFO L85 PathProgramCache]: Analyzing trace with hash 557820719, now seen corresponding path program 1 times [2023-12-25 13:32:15,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:15,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662199549] [2023-12-25 13:32:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:15,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:21,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:21,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662199549] [2023-12-25 13:32:21,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662199549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:21,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:21,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:21,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904747927] [2023-12-25 13:32:21,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:21,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:21,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:21,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:21,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:21,236 INFO L87 Difference]: Start difference. First operand 3676 states and 5922 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:21,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:21,998 INFO L93 Difference]: Finished difference Result 6433 states and 10317 transitions. [2023-12-25 13:32:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:21,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:22,001 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:22,001 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:22,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:22,003 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5005 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5005 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:22,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5005 Valid, 10584 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:32:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:22,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6102157880360557) internal successors, (5895), 3661 states have internal predecessors, (5895), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5921 transitions. [2023-12-25 13:32:22,055 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5921 transitions. Word has length 1175 [2023-12-25 13:32:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:22,055 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5921 transitions. [2023-12-25 13:32:22,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5921 transitions. [2023-12-25 13:32:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:22,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:22,065 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:22,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2023-12-25 13:32:22,066 INFO L420 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:22,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:22,066 INFO L85 PathProgramCache]: Analyzing trace with hash 290412593, now seen corresponding path program 1 times [2023-12-25 13:32:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92069879] [2023-12-25 13:32:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:27,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:27,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92069879] [2023-12-25 13:32:27,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92069879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:27,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:27,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:27,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876340712] [2023-12-25 13:32:27,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:27,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:27,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:27,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:27,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:27,754 INFO L87 Difference]: Start difference. First operand 3676 states and 5921 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:28,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:28,487 INFO L93 Difference]: Finished difference Result 6433 states and 10315 transitions. [2023-12-25 13:32:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:28,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:28,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:28,492 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:28,492 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:28,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:28,494 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 9978 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9978 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:28,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9978 Valid, 10574 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:32:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:28,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6099426386233269) internal successors, (5894), 3661 states have internal predecessors, (5894), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5920 transitions. [2023-12-25 13:32:28,550 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5920 transitions. Word has length 1175 [2023-12-25 13:32:28,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:28,551 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5920 transitions. [2023-12-25 13:32:28,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5920 transitions. [2023-12-25 13:32:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:28,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:28,560 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:28,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2023-12-25 13:32:28,560 INFO L420 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:28,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:28,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1136878993, now seen corresponding path program 1 times [2023-12-25 13:32:28,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:28,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583631628] [2023-12-25 13:32:28,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:34,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:34,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583631628] [2023-12-25 13:32:34,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583631628] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:34,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:34,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:34,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377407016] [2023-12-25 13:32:34,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:34,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:34,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:34,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:34,091 INFO L87 Difference]: Start difference. First operand 3676 states and 5920 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:34,768 INFO L93 Difference]: Finished difference Result 6433 states and 10313 transitions. [2023-12-25 13:32:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:34,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:34,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:34,772 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:34,772 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:34,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:34,775 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 9973 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9973 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:34,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9973 Valid, 10574 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:32:34,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6096694892105983) internal successors, (5893), 3661 states have internal predecessors, (5893), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5919 transitions. [2023-12-25 13:32:34,825 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5919 transitions. Word has length 1175 [2023-12-25 13:32:34,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:34,826 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5919 transitions. [2023-12-25 13:32:34,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5919 transitions. [2023-12-25 13:32:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:34,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:34,835 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:34,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2023-12-25 13:32:34,835 INFO L420 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:34,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:34,835 INFO L85 PathProgramCache]: Analyzing trace with hash 684372209, now seen corresponding path program 1 times [2023-12-25 13:32:34,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:34,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181874977] [2023-12-25 13:32:34,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:34,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:41,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:41,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181874977] [2023-12-25 13:32:41,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181874977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:41,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:41,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:41,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064148238] [2023-12-25 13:32:41,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:41,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:41,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:41,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:41,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:41,301 INFO L87 Difference]: Start difference. First operand 3676 states and 5919 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:41,993 INFO L93 Difference]: Finished difference Result 6433 states and 10311 transitions. [2023-12-25 13:32:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:41,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:41,997 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:41,997 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:41,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:41,999 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 5002 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 10584 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:41,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5002 Valid, 10584 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:32:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6093963397978694) internal successors, (5892), 3661 states have internal predecessors, (5892), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5918 transitions. [2023-12-25 13:32:42,052 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5918 transitions. Word has length 1175 [2023-12-25 13:32:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:42,053 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5918 transitions. [2023-12-25 13:32:42,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5918 transitions. [2023-12-25 13:32:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:42,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:42,106 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:42,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2023-12-25 13:32:42,106 INFO L420 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:42,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:42,107 INFO L85 PathProgramCache]: Analyzing trace with hash -697435729, now seen corresponding path program 1 times [2023-12-25 13:32:42,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:42,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146314839] [2023-12-25 13:32:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:42,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:48,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:48,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146314839] [2023-12-25 13:32:48,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146314839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:48,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:48,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:48,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610842565] [2023-12-25 13:32:48,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:48,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:48,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:48,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:48,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:48,581 INFO L87 Difference]: Start difference. First operand 3676 states and 5918 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:32:49,346 INFO L93 Difference]: Finished difference Result 6433 states and 10309 transitions. [2023-12-25 13:32:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1175 [2023-12-25 13:32:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:32:49,350 INFO L225 Difference]: With dead ends: 6433 [2023-12-25 13:32:49,350 INFO L226 Difference]: Without dead ends: 3676 [2023-12-25 13:32:49,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:49,352 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 9963 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9963 SdHoareTripleChecker+Valid, 10574 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:49,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9963 Valid, 10574 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:32:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-12-25 13:32:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2023-12-25 13:32:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3661 states have (on average 1.6091231903851406) internal successors, (5891), 3661 states have internal predecessors, (5891), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:32:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5917 transitions. [2023-12-25 13:32:49,459 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5917 transitions. Word has length 1175 [2023-12-25 13:32:49,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:32:49,459 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5917 transitions. [2023-12-25 13:32:49,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-25 13:32:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5917 transitions. [2023-12-25 13:32:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2023-12-25 13:32:49,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:32:49,469 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:49,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2023-12-25 13:32:49,469 INFO L420 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:32:49,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:32:49,469 INFO L85 PathProgramCache]: Analyzing trace with hash -219702863, now seen corresponding path program 1 times [2023-12-25 13:32:49,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:32:49,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921887893] [2023-12-25 13:32:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:32:49,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:32:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-25 13:32:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2023-12-25 13:32:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-25 13:32:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-25 13:32:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2023-12-25 13:32:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2023-12-25 13:32:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-12-25 13:32:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:32:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-25 13:32:55,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:32:55,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921887893] [2023-12-25 13:32:55,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921887893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:32:55,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:32:55,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:32:55,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844342950] [2023-12-25 13:32:55,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:32:55,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:32:55,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:32:55,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:32:55,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:32:55,269 INFO L87 Difference]: Start difference. First operand 3676 states and 5917 transitions. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Received shutdown request... [2023-12-25 13:32:55,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:32:55,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:32:55,587 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 2658 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2658 SdHoareTripleChecker+Valid, 3904 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:32:55,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2658 Valid, 3904 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:32:55,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 13:32:55,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2023-12-25 13:32:55,589 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (3676states) and FLOYD_HOARE automaton (currently 4 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (1755 states constructed, input type IntersectNwa). [2023-12-25 13:32:55,592 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:32:55,594 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 13:32:55,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 01:32:55 BoogieIcfgContainer [2023-12-25 13:32:55,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 13:32:55,595 INFO L158 Benchmark]: Toolchain (without parser) took 815566.40ms. Allocated memory was 288.4MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 226.6MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 140.0MB in the beginning and 139.8MB in the end (delta: 138.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.99ms. Allocated memory was 288.4MB in the beginning and 514.9MB in the end (delta: 226.5MB). Free memory was 226.6MB in the beginning and 388.2MB in the end (delta: -161.6MB). Peak memory consumption was 244.1MB. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 1664.68ms. Allocated memory was 514.9MB in the beginning and 1.0GB in the end (delta: 514.9MB). Free memory was 388.2MB in the beginning and 680.8MB in the end (delta: -292.6MB). Peak memory consumption was 280.5MB. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L158 Benchmark]: Boogie Preprocessor took 1525.80ms. Allocated memory was 1.0GB in the beginning and 2.4GB in the end (delta: 1.4GB). Free memory was 680.8MB in the beginning and 1.9GB in the end (delta: -1.2GB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L158 Benchmark]: RCFGBuilder took 12318.93ms. Allocated memory was 2.4GB in the beginning and 3.4GB in the end (delta: 981.5MB). Free memory was 1.9GB in the beginning and 2.4GB in the end (delta: -524.8MB). Peak memory consumption was 456.7MB. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L158 Benchmark]: TraceAbstraction took 798602.17ms. Allocated memory is still 3.4GB. Free memory was 2.4GB in the beginning and 1.9GB in the end (delta: 553.1MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-25 13:32:55,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 140.0MB in the beginning and 139.8MB in the end (delta: 138.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1441.99ms. Allocated memory was 288.4MB in the beginning and 514.9MB in the end (delta: 226.5MB). Free memory was 226.6MB in the beginning and 388.2MB in the end (delta: -161.6MB). Peak memory consumption was 244.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1664.68ms. Allocated memory was 514.9MB in the beginning and 1.0GB in the end (delta: 514.9MB). Free memory was 388.2MB in the beginning and 680.8MB in the end (delta: -292.6MB). Peak memory consumption was 280.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1525.80ms. Allocated memory was 1.0GB in the beginning and 2.4GB in the end (delta: 1.4GB). Free memory was 680.8MB in the beginning and 1.9GB in the end (delta: -1.2GB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. * RCFGBuilder took 12318.93ms. Allocated memory was 2.4GB in the beginning and 3.4GB in the end (delta: 981.5MB). Free memory was 1.9GB in the beginning and 2.4GB in the end (delta: -524.8MB). Peak memory consumption was 456.7MB. Max. memory is 8.0GB. * TraceAbstraction took 798602.17ms. Allocated memory is still 3.4GB. Free memory was 2.4GB in the beginning and 1.9GB in the end (delta: 553.1MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (3676states) and FLOYD_HOARE automaton (currently 4 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (1755 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 3563 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 798.5s, OverallIterations: 196, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.7s, AutomataDifference: 111.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 1456893 SdHoareTripleChecker+Valid, 94.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1456074 mSDsluCounter, 2261155 SdHoareTripleChecker+Invalid, 80.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1175998 mSDsCounter, 479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122092 IncrementalHoareTripleChecker+Invalid, 122573 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 479 mSolverCounterUnsat, 1085157 mSDtfsCounter, 122092 mSolverCounterSat, 3.3s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3816 GetRequests, 3024 SyntacticMatches, 0 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3676occurred in iteration=137, InterpolantAutomatonStates: 799, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.6s AutomataMinimizationTime, 195 MinimizatonAttempts, 5505 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.0s SsaConstructionTime, 371.6s SatisfiabilityAnalysisTime, 281.9s InterpolantComputationTime, 221779 NumberOfCodeBlocks, 221779 NumberOfCodeBlocksAsserted, 196 NumberOfCheckSat, 221583 ConstructedInterpolants, 0 QuantifiedInterpolants, 1344337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 196 InterpolantComputations, 196 PerfectInterpolantSequences, 16464/16464 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown